{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:WYJS5OJ7LWNSVX3AMGQ4LVT7PW","short_pith_number":"pith:WYJS5OJ7","schema_version":"1.0","canonical_sha256":"b6132eb93f5d9b2adf6061a1c5d67f7dbe066e990e74237c80ff792b591cb12d","source":{"kind":"arxiv","id":"1102.1941","version":1},"attestation_state":"computed","paper":{"title":"Intrinsic Quantum Correlations of Weak Coherent States for Quantum Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Erin Scanlon, Kim Fook Lee, Travis Beaulieu, Viktor Bollen, Yong Meng Sua","submitted_at":"2011-02-09T19:04:45Z","abstract_excerpt":"Intrinsic quantum correlations of weak coherent states are observed between two parties through a novel detection scheme, which can be used as a supplement to the existence decoy-state BB84 and differential phase-shift quantum key distribution (DPS-QKD) protocols. In a proof-of-principle experiment, we generate bi-partite correlations of weak coherent states using weak local oscillator fields in two spatially separated balanced homodyne detections. We employ nonlinearity of post-measurement method to obtain the bi-partite correlations from two single-field interferences at individual homodyne "},"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":"1102.1941","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-02-09T19:04:45Z","cross_cats_sorted":[],"title_canon_sha256":"0929fe46098237775bc62c21ac83c0608b96d8b545d14f1649cba333b2c10448","abstract_canon_sha256":"98ee45e878231103ef68f1cce28398eb7b88edce34f45972a578cbabeff7d020"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:43.973878Z","signature_b64":"vE3yZs7ps43uKiHhmFB2BduCIXQzE0DtYdLQZJy/v4yFyXhKPJ7HPYJH70OKTUv0B8OKcK8uqiXd3lKAQbnmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6132eb93f5d9b2adf6061a1c5d67f7dbe066e990e74237c80ff792b591cb12d","last_reissued_at":"2026-05-18T04:29:43.973343Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:43.973343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Intrinsic Quantum Correlations of Weak Coherent States for Quantum Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Erin Scanlon, Kim Fook Lee, Travis Beaulieu, Viktor Bollen, Yong Meng Sua","submitted_at":"2011-02-09T19:04:45Z","abstract_excerpt":"Intrinsic quantum correlations of weak coherent states are observed between two parties through a novel detection scheme, which can be used as a supplement to the existence decoy-state BB84 and differential phase-shift quantum key distribution (DPS-QKD) protocols. In a proof-of-principle experiment, we generate bi-partite correlations of weak coherent states using weak local oscillator fields in two spatially separated balanced homodyne detections. We employ nonlinearity of post-measurement method to obtain the bi-partite correlations from two single-field interferences at individual homodyne "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1941","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":"1102.1941","created_at":"2026-05-18T04:29:43.973416+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.1941v1","created_at":"2026-05-18T04:29:43.973416+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1941","created_at":"2026-05-18T04:29:43.973416+00:00"},{"alias_kind":"pith_short_12","alias_value":"WYJS5OJ7LWNS","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"WYJS5OJ7LWNSVX3A","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"WYJS5OJ7","created_at":"2026-05-18T12:26:44.992195+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/WYJS5OJ7LWNSVX3AMGQ4LVT7PW","json":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW.json","graph_json":"https://pith.science/api/pith-number/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/graph.json","events_json":"https://pith.science/api/pith-number/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/events.json","paper":"https://pith.science/paper/WYJS5OJ7"},"agent_actions":{"view_html":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW","download_json":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW.json","view_paper":"https://pith.science/paper/WYJS5OJ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.1941&json=true","fetch_graph":"https://pith.science/api/pith-number/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/graph.json","fetch_events":"https://pith.science/api/pith-number/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/action/storage_attestation","attest_author":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/action/author_attestation","sign_citation":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/action/citation_signature","submit_replication":"https://pith.science/pith/WYJS5OJ7LWNSVX3AMGQ4LVT7PW/action/replication_record"}},"created_at":"2026-05-18T04:29:43.973416+00:00","updated_at":"2026-05-18T04:29:43.973416+00:00"}