{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:4UIGU77A7YV3ZH5RI447PK3KZO","short_pith_number":"pith:4UIGU77A","schema_version":"1.0","canonical_sha256":"e5106a7fe0fe2bbc9fb14739f7ab6acb90c54474fbc0506e0cfc4600198ebc14","source":{"kind":"arxiv","id":"2409.10658","version":3},"attestation_state":"computed","paper":{"title":"Lithium Niobate Photonic Topological Insulator-based Multi-Wavelength Optical Demultiplexer with Piezoelectric Switch-Off","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Kaniz Fatema Supti, Prithu Mahmud, Sajid Muhaimin Choudhury","submitted_at":"2024-09-16T18:50:18Z","abstract_excerpt":"Photonic topological insulators provide unidirectional, robust, wavelength-selective transport of light at an interface while keeping it insulated at the bulk of the material. The non-trivial topology results in an immunity to backscattering, sharp turns, and fabrication defects. This work leverages these unique properties to design a 2-channel optical demultiplexer based on a lithium niobate photonic topological insulator with piezoelectric switch-off capabilities. A photonic topological insulator design for the demultiplexer allows for good wavelength selectivity, crosstalk as low as $-$54 d"},"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":"2409.10658","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-09-16T18:50:18Z","cross_cats_sorted":[],"title_canon_sha256":"7d998c755dba8df910bb9aac03afb70a5e25bcc3137fa7982aa1be6d902a66a3","abstract_canon_sha256":"69c244dfb3b8c57a98c6844ba981ecc872696508d79cded9b5ed10ed3755fb65"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:45:54.883650Z","signature_b64":"fJklbBD+VQMqZwe9ZkCM4PJHP32xTfbEw22FLKTA2xpKTbRErDmRgBSbE5WyfOMaPl63t1DPnnwDln2iAXXbAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5106a7fe0fe2bbc9fb14739f7ab6acb90c54474fbc0506e0cfc4600198ebc14","last_reissued_at":"2026-07-05T09:45:54.883195Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:45:54.883195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lithium Niobate Photonic Topological Insulator-based Multi-Wavelength Optical Demultiplexer with Piezoelectric Switch-Off","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Kaniz Fatema Supti, Prithu Mahmud, Sajid Muhaimin Choudhury","submitted_at":"2024-09-16T18:50:18Z","abstract_excerpt":"Photonic topological insulators provide unidirectional, robust, wavelength-selective transport of light at an interface while keeping it insulated at the bulk of the material. The non-trivial topology results in an immunity to backscattering, sharp turns, and fabrication defects. This work leverages these unique properties to design a 2-channel optical demultiplexer based on a lithium niobate photonic topological insulator with piezoelectric switch-off capabilities. A photonic topological insulator design for the demultiplexer allows for good wavelength selectivity, crosstalk as low as $-$54 d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.10658","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2409.10658/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":"2409.10658","created_at":"2026-07-05T09:45:54.883250+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.10658v3","created_at":"2026-07-05T09:45:54.883250+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.10658","created_at":"2026-07-05T09:45:54.883250+00:00"},{"alias_kind":"pith_short_12","alias_value":"4UIGU77A7YV3","created_at":"2026-07-05T09:45:54.883250+00:00"},{"alias_kind":"pith_short_16","alias_value":"4UIGU77A7YV3ZH5R","created_at":"2026-07-05T09:45:54.883250+00:00"},{"alias_kind":"pith_short_8","alias_value":"4UIGU77A","created_at":"2026-07-05T09:45:54.883250+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/4UIGU77A7YV3ZH5RI447PK3KZO","json":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO.json","graph_json":"https://pith.science/api/pith-number/4UIGU77A7YV3ZH5RI447PK3KZO/graph.json","events_json":"https://pith.science/api/pith-number/4UIGU77A7YV3ZH5RI447PK3KZO/events.json","paper":"https://pith.science/paper/4UIGU77A"},"agent_actions":{"view_html":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO","download_json":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO.json","view_paper":"https://pith.science/paper/4UIGU77A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.10658&json=true","fetch_graph":"https://pith.science/api/pith-number/4UIGU77A7YV3ZH5RI447PK3KZO/graph.json","fetch_events":"https://pith.science/api/pith-number/4UIGU77A7YV3ZH5RI447PK3KZO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO/action/storage_attestation","attest_author":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO/action/author_attestation","sign_citation":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO/action/citation_signature","submit_replication":"https://pith.science/pith/4UIGU77A7YV3ZH5RI447PK3KZO/action/replication_record"}},"created_at":"2026-07-05T09:45:54.883250+00:00","updated_at":"2026-07-05T09:45:54.883250+00:00"}