{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:VYN2PKL2JHPA3CSLDFNYL4PTTE","short_pith_number":"pith:VYN2PKL2","schema_version":"1.0","canonical_sha256":"ae1ba7a97a49de0d8a4b195b85f1f399375a8cd86056064e5689d7090901b11b","source":{"kind":"arxiv","id":"1610.04947","version":1},"attestation_state":"computed","paper":{"title":"Robust and stable delay interferometers with application to $d$-dimensional time-frequency quantum key distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Lezama, Andres Aragoneses, Daniel J. Gauthier, Jungsang Kim, Nurul T. Islam","submitted_at":"2016-10-17T02:00:17Z","abstract_excerpt":"We investigate experimentally a cascade of temperature-compensated unequal-path interferometers that can be used to measure frequency states in a high-dimensional quantum distribution system. In particular, we demonstrate that commercially-available interferometers have sufficient environmental isolation so that they maintain an interference visibility greater than 98.5\\% at a wavelength of 1550 nm over extended periods with only moderate passive control of the interferometer temperature ($< \\pm0.50 ^{\\circ}$C). Specifically, we characterize two interferometers that have matched delays: one wi"},"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":"1610.04947","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-10-17T02:00:17Z","cross_cats_sorted":[],"title_canon_sha256":"a11a2859e966070836da09dd353b194bce2f54257e43b5c537111330fccd143d","abstract_canon_sha256":"c998f0cbe1833d9e509a62a9f2e52a140c3ac58b5cac4277a283b81828f032bb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:36.251511Z","signature_b64":"SzAwO5VxXyz8wFF/hVCbpw3wBeQDW24zO0tJOKyixt5TdMBYsxBXv0wwsnUB5ZRS/WJwJRJg1IwTiaN5qmLOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae1ba7a97a49de0d8a4b195b85f1f399375a8cd86056064e5689d7090901b11b","last_reissued_at":"2026-05-18T00:45:36.250813Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:36.250813Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust and stable delay interferometers with application to $d$-dimensional time-frequency quantum key distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Lezama, Andres Aragoneses, Daniel J. Gauthier, Jungsang Kim, Nurul T. Islam","submitted_at":"2016-10-17T02:00:17Z","abstract_excerpt":"We investigate experimentally a cascade of temperature-compensated unequal-path interferometers that can be used to measure frequency states in a high-dimensional quantum distribution system. In particular, we demonstrate that commercially-available interferometers have sufficient environmental isolation so that they maintain an interference visibility greater than 98.5\\% at a wavelength of 1550 nm over extended periods with only moderate passive control of the interferometer temperature ($< \\pm0.50 ^{\\circ}$C). Specifically, we characterize two interferometers that have matched delays: one wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04947","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":""},"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":"1610.04947","created_at":"2026-05-18T00:45:36.250900+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.04947v1","created_at":"2026-05-18T00:45:36.250900+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04947","created_at":"2026-05-18T00:45:36.250900+00:00"},{"alias_kind":"pith_short_12","alias_value":"VYN2PKL2JHPA","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_16","alias_value":"VYN2PKL2JHPA3CSL","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_8","alias_value":"VYN2PKL2","created_at":"2026-05-18T12:30:48.956258+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/VYN2PKL2JHPA3CSLDFNYL4PTTE","json":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE.json","graph_json":"https://pith.science/api/pith-number/VYN2PKL2JHPA3CSLDFNYL4PTTE/graph.json","events_json":"https://pith.science/api/pith-number/VYN2PKL2JHPA3CSLDFNYL4PTTE/events.json","paper":"https://pith.science/paper/VYN2PKL2"},"agent_actions":{"view_html":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE","download_json":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE.json","view_paper":"https://pith.science/paper/VYN2PKL2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.04947&json=true","fetch_graph":"https://pith.science/api/pith-number/VYN2PKL2JHPA3CSLDFNYL4PTTE/graph.json","fetch_events":"https://pith.science/api/pith-number/VYN2PKL2JHPA3CSLDFNYL4PTTE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE/action/storage_attestation","attest_author":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE/action/author_attestation","sign_citation":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE/action/citation_signature","submit_replication":"https://pith.science/pith/VYN2PKL2JHPA3CSLDFNYL4PTTE/action/replication_record"}},"created_at":"2026-05-18T00:45:36.250900+00:00","updated_at":"2026-05-18T00:45:36.250900+00:00"}