{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:WI5A4OE23RPU7GCQSL7OHTZIXR","short_pith_number":"pith:WI5A4OE2","schema_version":"1.0","canonical_sha256":"b23a0e389adc5f4f985092fee3cf28bc500903717418debd94533d8d2bf42e36","source":{"kind":"arxiv","id":"2411.16221","version":1},"attestation_state":"computed","paper":{"title":"Fabrication of a 3D mode size converter for efficient edge coupling in photonic integrated circuits","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Hansuek Lee, Hojoong Jung, Hyeong-Soon Jang, Hyeon Hwang, Hyounghan Kwon, Hyungjun Heo, Min-kyo Seo, Sangin Kim, Sang-Wook Han","submitted_at":"2024-11-25T09:32:57Z","abstract_excerpt":"We demonstrate efficient edge couplers by fabricating a 3D mode size converter on a lithium niobate-on-insulator photonic platform. The 3D mode size converter is fabricated using an etching process that employs a Si external mask to provide height variation and adjust the width variation through tapering patterns via lithography. The measured edge coupling efficiency with a 3D mode size converter was approximately 1.16 dB/facet for the TE mode and approximately 0.71 dB/facet for the TM mode at a wavelength of 1550 nm."},"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":"2411.16221","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-25T09:32:57Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"17702c39d30e1b564e34a22d3165c8d99ae3c337336438e775750e84386d904a","abstract_canon_sha256":"41d23a10f180d8cc9f495bb97480a62bbc8f2c405b5f52e546c8408df45b76a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:40:06.135541Z","signature_b64":"f8crb+hl20G4WTPXj0HXjO8qZiuNXqFVcgAGpl2u9X1h+Uue4IHeVFsM0KE+nceRoLF6JS4bUUDQejCYHzjNDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b23a0e389adc5f4f985092fee3cf28bc500903717418debd94533d8d2bf42e36","last_reissued_at":"2026-07-05T09:40:06.135106Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:40:06.135106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fabrication of a 3D mode size converter for efficient edge coupling in photonic integrated circuits","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Hansuek Lee, Hojoong Jung, Hyeong-Soon Jang, Hyeon Hwang, Hyounghan Kwon, Hyungjun Heo, Min-kyo Seo, Sangin Kim, Sang-Wook Han","submitted_at":"2024-11-25T09:32:57Z","abstract_excerpt":"We demonstrate efficient edge couplers by fabricating a 3D mode size converter on a lithium niobate-on-insulator photonic platform. The 3D mode size converter is fabricated using an etching process that employs a Si external mask to provide height variation and adjust the width variation through tapering patterns via lithography. The measured edge coupling efficiency with a 3D mode size converter was approximately 1.16 dB/facet for the TE mode and approximately 0.71 dB/facet for the TM mode at a wavelength of 1550 nm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.16221","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.16221/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2411.16221","created_at":"2026-07-05T09:40:06.135158+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.16221v1","created_at":"2026-07-05T09:40:06.135158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.16221","created_at":"2026-07-05T09:40:06.135158+00:00"},{"alias_kind":"pith_short_12","alias_value":"WI5A4OE23RPU","created_at":"2026-07-05T09:40:06.135158+00:00"},{"alias_kind":"pith_short_16","alias_value":"WI5A4OE23RPU7GCQ","created_at":"2026-07-05T09:40:06.135158+00:00"},{"alias_kind":"pith_short_8","alias_value":"WI5A4OE2","created_at":"2026-07-05T09:40:06.135158+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/WI5A4OE23RPU7GCQSL7OHTZIXR","json":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR.json","graph_json":"https://pith.science/api/pith-number/WI5A4OE23RPU7GCQSL7OHTZIXR/graph.json","events_json":"https://pith.science/api/pith-number/WI5A4OE23RPU7GCQSL7OHTZIXR/events.json","paper":"https://pith.science/paper/WI5A4OE2"},"agent_actions":{"view_html":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR","download_json":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR.json","view_paper":"https://pith.science/paper/WI5A4OE2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.16221&json=true","fetch_graph":"https://pith.science/api/pith-number/WI5A4OE23RPU7GCQSL7OHTZIXR/graph.json","fetch_events":"https://pith.science/api/pith-number/WI5A4OE23RPU7GCQSL7OHTZIXR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR/action/storage_attestation","attest_author":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR/action/author_attestation","sign_citation":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR/action/citation_signature","submit_replication":"https://pith.science/pith/WI5A4OE23RPU7GCQSL7OHTZIXR/action/replication_record"}},"created_at":"2026-07-05T09:40:06.135158+00:00","updated_at":"2026-07-05T09:40:06.135158+00:00"}