{"as_of":"2026-08-11T02:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:4d6941334ffbe807499b79bd79686db32299baaef7abe99578fa6a60718ddb35","coverage":[{"denominator":37,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":37,"source":"paper_references, paper_reference_links","source_observed_at":"2026-06-30T12:36:55.650197Z","state":"measured"},{"denominator":37,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":37,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2605.24738/citation-record","integrity":"/paper/2605.24738/integrity","json":"/paper/2605.24738/citation-record.json","paper":"/paper/2605.24738"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.565482Z","title":"Beiträge zur theorie des mikroskops und der mikroskopischen wahrnehmung","venue":null,"work_id":"3048f0aa-b465-41ac-bd10-da1f7c9159f5","year":1982},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:265d518133b3d6883435953175c45e6e0cd3e06eb4a75c522288f314378537f3","observation_id":"fca31ac1-32fb-41aa-89d6-15bb42cac5aa","resolution":{"observed_at":"2026-07-09T05:05:59.567162Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.552497Z","title":"Conservation-law-based global bounds to quantum optimal control","venue":null,"work_id":"0fd956b8-0853-4a32-887a-774c55b8ba25","year":2021},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:13c7f348ac7632468cbed846c5c9c6d6319a1f44df1d593f4b4054936d2f44a2","observation_id":"5147dc8e-f06e-4670-91b3-daa5d76586e6","resolution":{"observed_at":"2026-07-09T05:05:59.554252Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.559801Z","title":"A perfectly matched layer for the absorption of electromagnetic waves","venue":null,"work_id":"d39fa749-44b5-41cb-ac37-f8d75152d784","year":1994},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:390401d5a8735771862a5fdad86c9bfdd238dc8e7672d0019a3031e0bd1b422f","observation_id":"ad8949a1-f9a6-4ad8-a0d2-4b8357d4e4f8","resolution":{"observed_at":"2026-07-09T05:05:59.561223Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.568019Z","title":"Perfect single-sided radiation and absorption without mirrors","venue":null,"work_id":"9810744b-5993-458f-a9f7-084e56fc0f5a","year":2016},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:c9df1d460f03e9eb490401c2becfde1cc699071533a6e09de93301c3f395d84b","observation_id":"0873d66e-eee2-4f5c-8bc8-5155b40cb2e9","resolution":{"observed_at":"2026-07-09T05:05:59.569257Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2404.04899","last_updated":"2024-12-03T16:51:18Z","snapshot_observed_at":"2026-08-10T07:29:23.975397Z","submitted_at":"2024-04-07T09:48:12Z","title":"Photonic time crystals: Theory and applications","version":2},"cited_work":{"arxiv_id":"2404.04899","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2404.04899","snapshot_observed_at":"2026-06-30T12:44:39.423061Z","title":"Time-varying media, dispersion, and the princi- ple of causality","venue":null,"work_id":"c40d8331-6800-4daf-ba45-52d7fe77a913","year":2024},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2404.04899","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:864e2811478ed45da0d0913121f78bbd84112b5ec8fec089475e9d7728abc1e6","observation_id":"0db31c81-d94e-4004-8ebb-96f9fe34405d","resolution":{"observed_at":"2026-06-30T12:44:39.424743Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.550587Z","title":"Complex-frequency excitations in photonics and wave physics","venue":null,"work_id":"be5321fd-e7ff-4af1-bc92-46fa4795a186","year":2025},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:2ccb308e5409dc37a0366deaf22dd9ce618634dae98a43f09cc5399b5a37d059","observation_id":"0fcb3bdc-ebcb-4d26-923c-534dc0783c9c","resolution":{"observed_at":"2026-07-09T05:05:59.551929Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physreva.105","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-30T12:44:39.141759Z","title":"Electro- magnetic nonreciprocity","venue":null,"work_id":"9f775d1c-d981-46a5-9ff3-773718c5ada8","year":2018},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:c0a3c0ca347282993917b3f10d885cc403318bed49c3b2f59a08b8e995aa6819","observation_id":"2136bff0-0a01-4285-bc84-f152132b988a","resolution":{"observed_at":"2026-06-30T12:44:39.143122Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.558743Z","title":"Broadband and giant nonreciprocity at the subwavelength scale in magnetoplasmonic materials","venue":null,"work_id":"c60fb661-cf65-4d7c-ba7b-c801905f8e52","year":2020},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:d4acd77ad061d34e9cf4caf102cba1455c088e5ffdbc5f2b58a2dbc8ba63761e","observation_id":"01bf4299-262b-4ae5-9539-f0dc9c833bbf","resolution":{"observed_at":"2026-07-09T05:05:59.560410Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.535037Z","title":"Causality and passivity: from electromagnetism and network theory to metamaterials","venue":null,"work_id":"42d57c8a-3f9d-4bdc-9371-f9825d66f4de","year":2021},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:8cbedc29ac4c30d48bcc081b764e65627b6dfda3327355e324f3eb1922c5206c","observation_id":"db145a31-c29a-4fd4-a88e-21b684ebdee2","resolution":{"observed_at":"2026-07-09T05:05:59.536610Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.565906Z","title":"Physical limitations on broadband invisibility based on fast-light media","venue":null,"work_id":"fd63e076-b316-40bc-a759-e79d26ab2ed7","year":2021},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:c2ceac15f34e7e1a9dcbcc2ff5a457bf1a3b314f5ff0b5de64590809925f405d","observation_id":"e7e9ba6f-19cb-4e4b-a6dc-37f085557aa8","resolution":{"observed_at":"2026-07-09T05:05:59.567392Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2202.13247","last_updated":"2022-02-26T22:59:37Z","snapshot_observed_at":"2026-08-09T05:17:15.186491Z","submitted_at":"2022-02-26T22:59:37Z","title":"On applications of Herglotz-Nevanlinna functions in material sciences, I: classical theory and applications of sum rules","version":1},"cited_work":{"arxiv_id":"2202.13247","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2202.13247","snapshot_observed_at":"2026-06-30T12:44:39.425974Z","title":"Dissipative dynamical systems part ii: linear systems with quadratic supply rates","venue":null,"work_id":"23e3fc93-c660-464f-9b01-b858ce14b742","year":1972},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2202.13247","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:462df75800d341ede569570b03810f50351ef065769143574394e6b63b5770bd","observation_id":"27622e25-79b1-4bff-8b79-88695d534e24","resolution":{"observed_at":"2026-06-30T12:44:39.427740Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.561775Z","title":"Nonlocal response in plasmonic nanostructures","venue":null,"work_id":"c0fdd3bb-7ce3-426a-af91-b5d13fcd674d","year":2016},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:4f6fe97625166b1eb2a1a0318c530fbcb44327166065b904706b985df02a8dd5","observation_id":"b8de58ae-d36b-4549-9082-e9c6089f40f0","resolution":{"observed_at":"2026-07-09T05:05:59.563035Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.561111Z","title":"Energy of electromagnetic waves in the presence of absorption and dispersion","venue":null,"work_id":"d320d667-ba7f-4d4c-870b-3256f0a11cae","year":1970},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:2094f101629284e0e0423f0fbc054ae1c31c663dff24a4f4cea512cd0ef4b760","observation_id":"3a04b1da-1555-4923-af3f-14ed6f0daa77","resolution":{"observed_at":"2026-07-09T05:05:59.562714Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.557410Z","title":"Linear and nonlinear wave propagation in negative refraction metamaterials","venue":null,"work_id":"1c4f1ef0-37fe-40f3-94a5-cabd9a0991d5","year":2004},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:e1368186ad92652acd7287a59a29b79eb2fd1e42e0e351696882fe9a9c3e5411","observation_id":"e36523c0-e86d-47ec-93a4-9a3492fe91bd","resolution":{"observed_at":"2026-07-09T05:05:59.559179Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.546412Z","title":"Fundamental limits to the refractive index of transparent optical materials","venue":null,"work_id":"4503f2f5-ef7d-43bb-b16b-57d54f13a85e","year":2021},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:0ac5b5a5f885052a6b5af47d2f0124ed5d1e905747a44eeb82938d0a68314a75","observation_id":"3761f7b4-dd52-426d-b804-47b174dccb38","resolution":{"observed_at":"2026-07-09T05:05:59.547860Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2303.10998","last_updated":"2023-03-20T10:29:12Z","snapshot_observed_at":"2026-07-06T15:05:38.707313Z","submitted_at":"2023-03-20T10:29:12Z","title":"The maximum refractive index of an atomic crystal $\\unicode{x2013}$ from quantum optics to quantum chemistry","version":1},"cited_work":{"arxiv_id":"2303.10998","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2303.10998","snapshot_observed_at":"2026-06-30T12:44:39.413474Z","title":"Maximum refractive index of an atomic medium","venue":null,"work_id":"436d8573-72b4-44c1-a626-a50b1aaa7c13","year":2019},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2303.10998","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:d3d05b96009ddd2f3b12675d5ea36cd82abff82280e2a67c598d2a4ba9a85c47","observation_id":"58751b82-01c7-4ac5-a7ab-838e232efd78","resolution":{"observed_at":"2026-06-30T12:44:39.415120Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.540031Z","title":"The uniqueness theorem for nonlocal hydrodynamic media","venue":null,"work_id":"2c143248-fdd7-40e0-a992-e452eb16bcb8","year":2024},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:1852f65cae2fe2ef0b21b554423da8e9ef94850367b41d39e836be4f0d7e1c70","observation_id":"18901525-8f9b-4368-967a-2145a15c368f","resolution":{"observed_at":"2026-07-09T05:05:59.541716Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.567714Z","title":"Nonreciprocal cavities and the time–bandwidth limit","venue":null,"work_id":"31448ea1-9fad-43d4-b2a3-663a97a7abb9","year":2019},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:ccb42af49d6d1286a9e6c268ac75499bb29d7fe8666005efbbe68256f60e9d27","observation_id":"1610bef8-4ab8-448d-8ba0-fa76bbaa7ae8","resolution":{"observed_at":"2026-07-09T05:05:59.569093Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.556404Z","title":"How to deal with the loss in plasmonics and metamaterials","venue":null,"work_id":"d83214f0-b1a9-49b5-8308-fbe2fa311af4","year":2015},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:4116d2f067502c0363f800a3642c9ef20a8e571b45542c79fedf0edc29a56af0","observation_id":"7be1222d-0a45-40e1-a7c6-174ef265d8fd","resolution":{"observed_at":"2026-07-09T05:05:59.558061Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.523303Z","title":"Physical limits on electronic nonlinear molecular susceptibilities","venue":null,"work_id":"854c148e-7412-44de-8827-d99c707b3735","year":2000},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:7086368f1b511b64ffafe27e0d8eec0a3f841e0c362715e4b0213d696087e980","observation_id":"58e160d7-2046-4049-a1fa-ff9d622f1347","resolution":{"observed_at":"2026-07-09T05:05:59.524707Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1002/adma.201602721(2017","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-30T12:44:39.129407Z","title":"Radiating and nonradiating classical current distributions and the fields they generate","venue":null,"work_id":"0d5f971a-b67e-46e3-850b-bbc8ee3aa296","year":1973},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:112279a1ecd8f078f51aed2fb65a5c465afcc982fd4082097da56aaa91e82f3e","observation_id":"23e2f226-e031-4f26-87c6-591aed23e9b5","resolution":{"observed_at":"2026-06-30T12:44:39.130764Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.525649Z","title":"Inverse design in nanophotonics","venue":null,"work_id":"29122917-7179-4110-b84c-5df3161a1073","year":2018},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:eb43168e1b45b6c0f6e9a37a51d23484118f4fc8503f45070c82b3267fcfd210","observation_id":"8ca7fe8f-5040-4756-b844-b11d8ff90ba3","resolution":{"observed_at":"2026-07-09T05:05:59.527221Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physrev","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-05T02:28:24.338817Z","title":"Effects of configuration interaction on intensities and phase shifts.Phys","venue":"Americanae (AECID Library)","work_id":"ececf8d2-c38b-4cca-9905-51d364a7f169","year":1963},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:55f758be30a2c25797c762c36fe6fe70e0b9d3e39dcedf2c3bebbac636ed7201","observation_id":"b9ba86e8-d763-4fb3-92f0-d1deb1c1f13c","resolution":{"observed_at":"2026-06-30T12:44:39.141103Z","resolver_source":"doi_truncated","status":"malformed_identifier"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physreva.111.023507(2025","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-30T12:44:39.137902Z","title":"Communicating with waves between volumes: evaluating orthogonal spatial channels and limits on coupling strengths","venue":null,"work_id":"782cafa0-331d-4828-a81d-82a0ce3d2f89","year":2000},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:71f0ca1368a0a27ca7c072afe76ea929dee0001224fd075c8f6e42464165754c","observation_id":"5a5c91e9-9f69-408f-a2df-8c7b269655cc","resolution":{"observed_at":"2026-06-30T12:44:39.139210Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.530158Z","title":"Nonimaging optics: a tutorial","venue":null,"work_id":"928d8866-c452-4d37-8628-c3e02926e4a9","year":2018},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:e1cd454f9de2e46ba6ac8d8c5dbee5edb713ef63aec423d7d6cc17de92ebb268","observation_id":"59f66912-f147-4cc6-8810-1aa607b9a49e","resolution":{"observed_at":"2026-07-09T05:05:59.531434Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.554008Z","title":"Observation of parity–time symmetry in optics","venue":null,"work_id":"bcfa4dc5-6438-489e-884d-6e4e0eb32047","year":2010},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:588de57e9e304fe91ae68b784ec5e25e03fea6afc70ab55ce1e64fb2ed0a1bbd","observation_id":"92fdf357-e10c-457e-8da6-17ce3efc70df","resolution":{"observed_at":"2026-07-09T05:05:59.555622Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.532899Z","title":"Coherency matrix formulation for partially coherent imaging to evaluate the degree of coherence for image","venue":null,"work_id":"7ae47f87-0bb1-44df-b3fa-54a32dd3e943","year":2012},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:2a9bb57b776e9d908a525db2ef6f4834aa91ae5ec70dea648a049eef01be4780","observation_id":"e12b5e2e-98f7-416e-a5a1-b595e97a04b5","resolution":{"observed_at":"2026-07-09T05:05:59.534430Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.551595Z","title":"Topology optimization of freeform large-area metasurfaces","venue":null,"work_id":"f7cb411a-d522-4090-a1ee-d9fcf9895782","year":2019},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:632fb227e6850c78773c9f76ec9780bce8a0b6ff05dfd94650446413071207fa","observation_id":"25c573dc-e7e6-4915-a582-abe310335668","resolution":{"observed_at":"2026-07-09T05:05:59.553293Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.554893Z","title":"Fundamental limits to optical response in absorptive systems","venue":null,"work_id":"1d90c081-268a-4c19-b63d-20f04f9ace07","year":2016},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:b0ef2530357417a05af04a0470cd5b4c819fd2eac4d1614309b2d9b1780d5280","observation_id":"2b8d9092-e5a0-49fb-b75e-877934642dc3","resolution":{"observed_at":"2026-07-09T05:05:59.556723Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1088/1361-6633/ad8eda(2024","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-30T12:44:39.135951Z","title":"Optimal characteristics of an arbitrary receive antenna","venue":null,"work_id":"cd25810a-32a1-41e7-b009-73c4ee18d0d1","year":2009},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:74f9dc1b4fb49c04c99f094a8d416ebd9963eaf4aeea197f1d1b47c84e4fdc86","observation_id":"fd2baf61-537b-4f60-b864-dc0ac7e1a17e","resolution":{"observed_at":"2026-06-30T12:44:39.137220Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.563241Z","title":"Upper bounds on focusing efficiency","venue":null,"work_id":"b1df21cc-e6ec-4dda-8d43-adae7a825f58","year":2022},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:c1ead83ba679bab398e92e027f7dc9ee11661a6757c39108a8e99a91a94bcde8","observation_id":"c8af3d79-aa1b-4bc2-a9e8-8f8501338919","resolution":{"observed_at":"2026-07-09T05:05:59.564566Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1103/physreva.88.011803(2013","metadata_source":"doi_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-06-30T12:44:39.133933Z","title":"On the passivity criterion for ltiN-ports","venue":null,"work_id":"e994ccf4-aa30-41cc-834a-41d57597675f","year":1982},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:7a59fc6bd02f46524e549e3701fbbac0fecbd09f856864874929db3e7a54e567","observation_id":"e66aea82-fd9f-487b-8994-1946ff1024e2","resolution":{"observed_at":"2026-06-30T12:44:39.135368Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":"10.1038/s41467-023-43221-2","metadata_source":"openalex","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-05T02:28:24.338817Z","title":"All electromagnetic scattering bodies are matrix-valued oscillators","venue":"Nature Communications","work_id":"d7f3eab1-fdbb-47fb-8029-705f05d70c93","year":2023},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:6c7bca7d0b890f8a49a66eb2904dc854cdcf032cf60c1b852ca0634db21cc5c3","observation_id":"01157afb-94c2-432f-b35b-f35244b3f7f7","resolution":{"observed_at":"2026-06-30T12:44:39.132677Z","resolver_source":"doi","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2112.10816","last_updated":"2021-12-20T19:25:31Z","snapshot_observed_at":"2026-07-06T12:20:47.369918Z","submitted_at":"2021-12-20T19:25:31Z","title":"Fundamental limits to multi-functional and tunable nanophotonic response","version":1},"cited_work":{"arxiv_id":"2112.10816","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2112.10816","snapshot_observed_at":"2026-06-30T12:44:39.416680Z","title":"An optimal-storage approach to semidefinite programming using approximate complementarity","venue":null,"work_id":"8ab8a51b-bd74-47a7-98d7-91adc4ba520b","year":2021},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2112.10816","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:01524afc0bd1285d83ca77aaf97e50dece17228833c07341e845f61a50094322","observation_id":"ff856d17-1833-4048-ae86-4d6afd655944","resolution":{"observed_at":"2026-06-30T12:44:39.418283Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2008.13241","last_updated":"2020-08-30T18:53:45Z","snapshot_observed_at":"2026-08-06T03:16:11.358472Z","submitted_at":"2020-08-30T18:53:45Z","title":"Minimum Dielectric-Resonator Mode Volumes","version":1},"cited_work":{"arxiv_id":"2008.13241","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2008.13241","snapshot_observed_at":"2026-06-30T12:44:39.410478Z","title":"Embedded photonic eigenvalues in 3d nanostructures","venue":null,"work_id":"56d41f1a-2c07-482c-80b9-c90b254f5739","year":2014},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2008.13241","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:8121d4b4d7a87eb82a8373a0d831fa6b4f2ec9568dbc9f5f6064fff07a8f39ca","observation_id":"dc99fe0d-7f3b-4cea-bc72-dd955570b8b3","resolution":{"observed_at":"2026-06-30T12:44:39.412239Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"2010.08650","last_updated":"2020-10-21T03:13:35Z","snapshot_observed_at":"2026-08-10T09:54:04.193437Z","submitted_at":"2020-10-16T22:17:28Z","title":"Quasinormal Coupled Mode Theory","version":2},"cited_work":{"arxiv_id":"2010.08650","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2010.08650","snapshot_observed_at":"2026-06-30T12:44:39.419794Z","title":"Zhang and O","venue":null,"work_id":"af831f59-80b3-4b9a-b9eb-a9c7749e0dc4","year":1950},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"cited_paper":"/paper/2010.08650","citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:096b88692a3b0b145fd7c76dc444bce8a6db1bda89acb48e9ab69ac3895223d8","observation_id":"8750c022-d7e6-43fe-8e9f-9b034ed8b6e0","resolution":{"observed_at":"2026-06-30T12:44:39.421818Z","resolver_source":"arxiv_id","status":"metadata_mismatch"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-07-09T05:05:59.569922Z","title":"Compact all-pass filters in photonic crystals as the building block for high-capacity optical delay lines","venue":null,"work_id":"e129ae6b-73d5-4f77-8c03-6b9b718eec1d","year":2003},"citing_paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-06-30T12:36:55.650197Z"},"links":{"citing_paper":"/paper/2605.24738"},"observation_digest":"sha256:97d0c7359c3edd6022399468c7e9a638cd7e2976833ba3e6701f4292eb382770","observation_id":"e20cec2c-bebd-451d-9f0a-b8a2808762aa","resolution":{"observed_at":"2026-07-09T05:05:59.574238Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2605.24738","last_updated":"2026-05-23T21:24:20Z","latest_version":1,"primary_category":"physics.optics","snapshot_observed_at":"2026-08-08T17:42:21.956558Z","submitted_at":"2026-05-23T21:24:20Z","title":"Fundamental limits in photonics and electromagnetics: a tutorial"},"reference_resolution":{"displayed":37,"state_counts":{"malformed_identifier":1,"metadata_mismatch":1,"parse_uncertain":0,"unresolved":0,"verified_exact":11,"verified_fuzzy":24},"total_outbound_references":37},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 11 August 2026, this Paper Citation Record lists 37 of 37 outbound references and 0 inbound Pith citation observations for arXiv:2605.24738."}