{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:24PLGDLMKY3WMDDYRVM26XRGS7","short_pith_number":"pith:24PLGDLM","schema_version":"1.0","canonical_sha256":"d71eb30d6c5637660c788d59af5e2697f8c4fe6176181c84a09ee42a3d068cc8","source":{"kind":"arxiv","id":"0901.2815","version":2},"attestation_state":"computed","paper":{"title":"Integrated optical source of polarization entangled photons at 1310 nm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"1), (2) Angewandte Physik, (3) Dipartimento di Elettronica Informatica e Sistemistica, A. Martin (1), D.B. Ostrowsky, France, Germany, H. Herrmann (2), Italy), O. Alibart (1), P. Aboussouan (1), S. Tanzilli (1) ((1) Laboratoire de Physique de la Mati\\`ere Condens\\'ee, Universita di Bologna, Universit\\\"at Paderborn, Universit\\'e de Nice-Sophia Antipolis, V. Cristofori (3, W. Sohler (2)","submitted_at":"2009-01-19T11:01:53Z","abstract_excerpt":"We report the realization of a new polarization entangled photon-pair source based on a titanium-indiffused waveguide integrated on periodically poled lithium niobate pumped by a CW laser at $655 nm$. The paired photons are emitted at the telecom wavelength of $1310 nm$ within a bandwidth of $0.7 nm$. The quantum properties of the pairs are measured using a two-photon coalescence experiment showing a visibility of 85%. The evaluated source brightness, on the order of $10^5$ pairs $s^{-1} GHz^{-1} mW^{-1}$, associated with its compactness and reliability, demonstrates the source's high potentia"},"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":"0901.2815","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-01-19T11:01:53Z","cross_cats_sorted":[],"title_canon_sha256":"94b1cdca796e1a287a5d0743181f9c45fef59c9a242937a3a2a5f1c9479aab7b","abstract_canon_sha256":"075dfb58a23182b7afd58c994b4303586966ad7238c915479d5c92aa4cf2502a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:53.599529Z","signature_b64":"HYR1g2OKwt0RhNclqFhKMDEm2upGRmoyTnPSB1LcqMme78xxlVWwCEyqIpP4vuHXvWGzl/xKYCsiDS9tmW0UDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d71eb30d6c5637660c788d59af5e2697f8c4fe6176181c84a09ee42a3d068cc8","last_reissued_at":"2026-05-18T03:45:53.598547Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:53.598547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Integrated optical source of polarization entangled photons at 1310 nm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"1), (2) Angewandte Physik, (3) Dipartimento di Elettronica Informatica e Sistemistica, A. Martin (1), D.B. Ostrowsky, France, Germany, H. Herrmann (2), Italy), O. Alibart (1), P. Aboussouan (1), S. Tanzilli (1) ((1) Laboratoire de Physique de la Mati\\`ere Condens\\'ee, Universita di Bologna, Universit\\\"at Paderborn, Universit\\'e de Nice-Sophia Antipolis, V. Cristofori (3, W. Sohler (2)","submitted_at":"2009-01-19T11:01:53Z","abstract_excerpt":"We report the realization of a new polarization entangled photon-pair source based on a titanium-indiffused waveguide integrated on periodically poled lithium niobate pumped by a CW laser at $655 nm$. The paired photons are emitted at the telecom wavelength of $1310 nm$ within a bandwidth of $0.7 nm$. The quantum properties of the pairs are measured using a two-photon coalescence experiment showing a visibility of 85%. The evaluated source brightness, on the order of $10^5$ pairs $s^{-1} GHz^{-1} mW^{-1}$, associated with its compactness and reliability, demonstrates the source's high potentia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.2815","kind":"arxiv","version":2},"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":"0901.2815","created_at":"2026-05-18T03:45:53.598690+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.2815v2","created_at":"2026-05-18T03:45:53.598690+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.2815","created_at":"2026-05-18T03:45:53.598690+00:00"},{"alias_kind":"pith_short_12","alias_value":"24PLGDLMKY3W","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"24PLGDLMKY3WMDDY","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"24PLGDLM","created_at":"2026-05-18T12:25:58.018023+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/24PLGDLMKY3WMDDYRVM26XRGS7","json":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7.json","graph_json":"https://pith.science/api/pith-number/24PLGDLMKY3WMDDYRVM26XRGS7/graph.json","events_json":"https://pith.science/api/pith-number/24PLGDLMKY3WMDDYRVM26XRGS7/events.json","paper":"https://pith.science/paper/24PLGDLM"},"agent_actions":{"view_html":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7","download_json":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7.json","view_paper":"https://pith.science/paper/24PLGDLM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.2815&json=true","fetch_graph":"https://pith.science/api/pith-number/24PLGDLMKY3WMDDYRVM26XRGS7/graph.json","fetch_events":"https://pith.science/api/pith-number/24PLGDLMKY3WMDDYRVM26XRGS7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7/action/storage_attestation","attest_author":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7/action/author_attestation","sign_citation":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7/action/citation_signature","submit_replication":"https://pith.science/pith/24PLGDLMKY3WMDDYRVM26XRGS7/action/replication_record"}},"created_at":"2026-05-18T03:45:53.598690+00:00","updated_at":"2026-05-18T03:45:53.598690+00:00"}