{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:YQZONPIBEWDQRR7JSZ4BY257EV","short_pith_number":"pith:YQZONPIB","schema_version":"1.0","canonical_sha256":"c432e6bd01258708c7e996781c6bbf254b4decff49b750e854987b7fa6021c32","source":{"kind":"arxiv","id":"1805.08467","version":1},"attestation_state":"computed","paper":{"title":"Off-resonant emission of photon pairs in nonlinear optical cavities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christoph Marquardt, Dmitry V. Strekalov, Gerd Leuchs, Gerhard Schunk, Martin Fischer, Michael F\\\"ortsch, Valentin A. Averchenko","submitted_at":"2018-05-22T09:15:58Z","abstract_excerpt":"Cavity-assisted spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing (SFWM) in nonlinear optical materials are practical and versatile methods to generate narrowband time-energy entangled photon pairs. Time-energy entangled photons with tailored spectro-temporal properties are particularly useful for efficient quantum optical interfaces. In this work we study the generation of photon pairs in cavity-assisted SPDC and SFWM for the general case of off-resonant conversion, namely, when the frequencies of the generated photons do not match the cavity resonances. Such a fr"},"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":"1805.08467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-05-22T09:15:58Z","cross_cats_sorted":[],"title_canon_sha256":"98754e45b1bcb9a7ded5a51ee311a53b8c0bc988084c7a1a92542c0a6e3dcc24","abstract_canon_sha256":"fc9926d7010cdfe606b7efc9b46e2cf9680ca805b796138b4b4d73b94b393ad5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:26.364570Z","signature_b64":"9wUwEsMwFWYzQfnv4vWOmcwByxJSYKxCwcag062+OZBsMHKjCSpSStJpu1Z3MqpfSTV0OSrmmMDWmQdtLEdjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c432e6bd01258708c7e996781c6bbf254b4decff49b750e854987b7fa6021c32","last_reissued_at":"2026-05-18T00:15:26.363784Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:26.363784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Off-resonant emission of photon pairs in nonlinear optical cavities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christoph Marquardt, Dmitry V. Strekalov, Gerd Leuchs, Gerhard Schunk, Martin Fischer, Michael F\\\"ortsch, Valentin A. Averchenko","submitted_at":"2018-05-22T09:15:58Z","abstract_excerpt":"Cavity-assisted spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing (SFWM) in nonlinear optical materials are practical and versatile methods to generate narrowband time-energy entangled photon pairs. Time-energy entangled photons with tailored spectro-temporal properties are particularly useful for efficient quantum optical interfaces. In this work we study the generation of photon pairs in cavity-assisted SPDC and SFWM for the general case of off-resonant conversion, namely, when the frequencies of the generated photons do not match the cavity resonances. Such a fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.08467","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":"1805.08467","created_at":"2026-05-18T00:15:26.363918+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.08467v1","created_at":"2026-05-18T00:15:26.363918+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.08467","created_at":"2026-05-18T00:15:26.363918+00:00"},{"alias_kind":"pith_short_12","alias_value":"YQZONPIBEWDQ","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_16","alias_value":"YQZONPIBEWDQRR7J","created_at":"2026-05-18T12:33:04.347982+00:00"},{"alias_kind":"pith_short_8","alias_value":"YQZONPIB","created_at":"2026-05-18T12:33:04.347982+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/YQZONPIBEWDQRR7JSZ4BY257EV","json":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV.json","graph_json":"https://pith.science/api/pith-number/YQZONPIBEWDQRR7JSZ4BY257EV/graph.json","events_json":"https://pith.science/api/pith-number/YQZONPIBEWDQRR7JSZ4BY257EV/events.json","paper":"https://pith.science/paper/YQZONPIB"},"agent_actions":{"view_html":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV","download_json":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV.json","view_paper":"https://pith.science/paper/YQZONPIB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.08467&json=true","fetch_graph":"https://pith.science/api/pith-number/YQZONPIBEWDQRR7JSZ4BY257EV/graph.json","fetch_events":"https://pith.science/api/pith-number/YQZONPIBEWDQRR7JSZ4BY257EV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV/action/storage_attestation","attest_author":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV/action/author_attestation","sign_citation":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV/action/citation_signature","submit_replication":"https://pith.science/pith/YQZONPIBEWDQRR7JSZ4BY257EV/action/replication_record"}},"created_at":"2026-05-18T00:15:26.363918+00:00","updated_at":"2026-05-18T00:15:26.363918+00:00"}