{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:YN5OQWKEI7VOOUDBFNV5YKY2ZO","short_pith_number":"pith:YN5OQWKE","schema_version":"1.0","canonical_sha256":"c37ae8594447eae750612b6bdc2b1acbbe147e206de396d8bb9d01766b3efb36","source":{"kind":"arxiv","id":"0912.1551","version":1},"attestation_state":"computed","paper":{"title":"Qubit transfer between photons at telecom and visible wavelengths in a slow-light atomic medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Gogyan","submitted_at":"2009-12-08T17:43:16Z","abstract_excerpt":"We propose a method that enables efficient conversion of quantum information frequency between different regions of spectrum of light based on recently demonstrated strong parametric coupling between two narrow-band single-photon pulses propagating in a slow-light atomic medium [1]. We show that an input qubit at telecom wavelength is transformed into another at visible domain in a lossless and shape-conserving manner while keeping the initial quantum coherence and entanglement. These transformations can be realized with a quantum efficiency close to its maximum value."},"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":"0912.1551","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-12-08T17:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"217cc932321d9fe0d7547bdf61eeb050cfacd8697a563fcfe5faf10d9dae77c9","abstract_canon_sha256":"5eb0ffc2a3dbaf28299131423381b38024561bb4a681e78c2ebe4206b1b34076"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:25.652568Z","signature_b64":"8smFKGxNtlTQrBwyJrGkAXq37VMfaNUxRh0bTpUcNeyGB8Lq8/uz5DuoMTygYOdU8ruHz/+uk7K6w/TCtJVoCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c37ae8594447eae750612b6bdc2b1acbbe147e206de396d8bb9d01766b3efb36","last_reissued_at":"2026-05-18T02:10:25.651764Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:25.651764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Qubit transfer between photons at telecom and visible wavelengths in a slow-light atomic medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Gogyan","submitted_at":"2009-12-08T17:43:16Z","abstract_excerpt":"We propose a method that enables efficient conversion of quantum information frequency between different regions of spectrum of light based on recently demonstrated strong parametric coupling between two narrow-band single-photon pulses propagating in a slow-light atomic medium [1]. We show that an input qubit at telecom wavelength is transformed into another at visible domain in a lossless and shape-conserving manner while keeping the initial quantum coherence and entanglement. These transformations can be realized with a quantum efficiency close to its maximum value."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1551","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":"0912.1551","created_at":"2026-05-18T02:10:25.651853+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.1551v1","created_at":"2026-05-18T02:10:25.651853+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1551","created_at":"2026-05-18T02:10:25.651853+00:00"},{"alias_kind":"pith_short_12","alias_value":"YN5OQWKEI7VO","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"YN5OQWKEI7VOOUDB","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"YN5OQWKE","created_at":"2026-05-18T12:26:02.257875+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/YN5OQWKEI7VOOUDBFNV5YKY2ZO","json":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO.json","graph_json":"https://pith.science/api/pith-number/YN5OQWKEI7VOOUDBFNV5YKY2ZO/graph.json","events_json":"https://pith.science/api/pith-number/YN5OQWKEI7VOOUDBFNV5YKY2ZO/events.json","paper":"https://pith.science/paper/YN5OQWKE"},"agent_actions":{"view_html":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO","download_json":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO.json","view_paper":"https://pith.science/paper/YN5OQWKE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.1551&json=true","fetch_graph":"https://pith.science/api/pith-number/YN5OQWKEI7VOOUDBFNV5YKY2ZO/graph.json","fetch_events":"https://pith.science/api/pith-number/YN5OQWKEI7VOOUDBFNV5YKY2ZO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO/action/storage_attestation","attest_author":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO/action/author_attestation","sign_citation":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO/action/citation_signature","submit_replication":"https://pith.science/pith/YN5OQWKEI7VOOUDBFNV5YKY2ZO/action/replication_record"}},"created_at":"2026-05-18T02:10:25.651853+00:00","updated_at":"2026-05-18T02:10:25.651853+00:00"}