{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:SCUDXWLBUVDY4IIEALZ5KJXC7N","short_pith_number":"pith:SCUDXWLB","schema_version":"1.0","canonical_sha256":"90a83bd961a5478e210402f3d526e2fb42df608fc9b5c1ad41206e018e632064","source":{"kind":"arxiv","id":"1709.10073","version":3},"attestation_state":"computed","paper":{"title":"Quantum limits on the time-bandwidth product of an optical resonator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Mankei Tsang","submitted_at":"2017-09-28T17:29:16Z","abstract_excerpt":"A thought-provoking proposal by Tsakmakidis et al. [Science 356, 1260 (2017)] suggests that nonreciprocal optics can break a time-bandwidth limit to passive resonators. Here I quantize their resonator model and show that quantum mechanics does impose a limit, or requires extra noise to be added in the same fashion as amplified spontaneous emission in an active resonator. I also use thermodynamics to argue that extra dissipation or noise must be present in their proposed device."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1709.10073","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-09-28T17:29:16Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5aaefd0d53611836f5d1e09206c69a8d34befc76cb16fb19397afa56250795a3","abstract_canon_sha256":"b74312216e37491cab22769dead218998c48fc82fc3aaa317f85377ed48190f2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:27.711244Z","signature_b64":"0iEXnPCyhZp340FW+qF08T+j4qi2v/nrIvKQRK4GdIhQsY2Z0otcoGg+HX1jyGww9vUW9o7cX59skrdgTXz8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90a83bd961a5478e210402f3d526e2fb42df608fc9b5c1ad41206e018e632064","last_reissued_at":"2026-05-18T00:27:27.710557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:27.710557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum limits on the time-bandwidth product of an optical resonator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Mankei Tsang","submitted_at":"2017-09-28T17:29:16Z","abstract_excerpt":"A thought-provoking proposal by Tsakmakidis et al. [Science 356, 1260 (2017)] suggests that nonreciprocal optics can break a time-bandwidth limit to passive resonators. Here I quantize their resonator model and show that quantum mechanics does impose a limit, or requires extra noise to be added in the same fashion as amplified spontaneous emission in an active resonator. I also use thermodynamics to argue that extra dissipation or noise must be present in their proposed device."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.10073","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1709.10073","created_at":"2026-05-18T00:27:27.710675+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.10073v3","created_at":"2026-05-18T00:27:27.710675+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.10073","created_at":"2026-05-18T00:27:27.710675+00:00"},{"alias_kind":"pith_short_12","alias_value":"SCUDXWLBUVDY","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"SCUDXWLBUVDY4IIE","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"SCUDXWLB","created_at":"2026-05-18T12:31:43.269735+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N","json":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N.json","graph_json":"https://pith.science/api/pith-number/SCUDXWLBUVDY4IIEALZ5KJXC7N/graph.json","events_json":"https://pith.science/api/pith-number/SCUDXWLBUVDY4IIEALZ5KJXC7N/events.json","paper":"https://pith.science/paper/SCUDXWLB"},"agent_actions":{"view_html":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N","download_json":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N.json","view_paper":"https://pith.science/paper/SCUDXWLB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.10073&json=true","fetch_graph":"https://pith.science/api/pith-number/SCUDXWLBUVDY4IIEALZ5KJXC7N/graph.json","fetch_events":"https://pith.science/api/pith-number/SCUDXWLBUVDY4IIEALZ5KJXC7N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N/action/storage_attestation","attest_author":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N/action/author_attestation","sign_citation":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N/action/citation_signature","submit_replication":"https://pith.science/pith/SCUDXWLBUVDY4IIEALZ5KJXC7N/action/replication_record"}},"created_at":"2026-05-18T00:27:27.710675+00:00","updated_at":"2026-05-18T00:27:27.710675+00:00"}