{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:H6CRHA6OPV7XW45O4VQEQY3ULD","short_pith_number":"pith:H6CRHA6O","schema_version":"1.0","canonical_sha256":"3f851383ce7d7f7b73aee56048637458d4060b1280d1446f176609f6f3ecf051","source":{"kind":"arxiv","id":"1708.01919","version":2},"attestation_state":"computed","paper":{"title":"Fast, noise-free memory for photon synchronization at room temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Eilon Poem, Ofer Firstenberg, Ohad Michel, Ohr Lahad, Ran Finkelstein","submitted_at":"2017-08-06T18:03:10Z","abstract_excerpt":"Future quantum photonic networks require coherent optical memories for synchronizing quantum sources and gates of probabilistic nature. We demonstrate a fast ladder memory (FLAME) mapping the optical field onto the superposition between electronic orbitals of rubidium vapor. Employing a ladder level-system of orbital transitions with nearly degenerate frequencies simultaneously enables high bandwidth, low noise, and long memory lifetime. We store and retrieve 1.7-ns-long pulses, containing 0.5 photons on average, and observe short-time external efficiency of 25%, memory lifetime (${1/e}$) of 8"},"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":"1708.01919","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-08-06T18:03:10Z","cross_cats_sorted":[],"title_canon_sha256":"2d3798fe84cc3c41d8a1ca7a2ab385bfcba70147d7a7df6058373777059aaa93","abstract_canon_sha256":"73b14711344c0b17fdd0be948c6f81ee025ad790ee6cd9f4bb0a95b73606fd2e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:06.709381Z","signature_b64":"QeE7KWHe2MTKmg0qtHYQ9YPPp8mGB+hIKm/7KOMYBVDp2Qx+pX5xwYscr9EqjQW1s44SIYyX4B2MtLJ1yXPxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f851383ce7d7f7b73aee56048637458d4060b1280d1446f176609f6f3ecf051","last_reissued_at":"2026-05-18T00:14:06.708864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:06.708864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fast, noise-free memory for photon synchronization at room temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Eilon Poem, Ofer Firstenberg, Ohad Michel, Ohr Lahad, Ran Finkelstein","submitted_at":"2017-08-06T18:03:10Z","abstract_excerpt":"Future quantum photonic networks require coherent optical memories for synchronizing quantum sources and gates of probabilistic nature. We demonstrate a fast ladder memory (FLAME) mapping the optical field onto the superposition between electronic orbitals of rubidium vapor. Employing a ladder level-system of orbital transitions with nearly degenerate frequencies simultaneously enables high bandwidth, low noise, and long memory lifetime. We store and retrieve 1.7-ns-long pulses, containing 0.5 photons on average, and observe short-time external efficiency of 25%, memory lifetime (${1/e}$) of 8"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01919","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":"1708.01919","created_at":"2026-05-18T00:14:06.708932+00:00"},{"alias_kind":"arxiv_version","alias_value":"1708.01919v2","created_at":"2026-05-18T00:14:06.708932+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01919","created_at":"2026-05-18T00:14:06.708932+00:00"},{"alias_kind":"pith_short_12","alias_value":"H6CRHA6OPV7X","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"H6CRHA6OPV7XW45O","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"H6CRHA6O","created_at":"2026-05-18T12:31:18.294218+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/H6CRHA6OPV7XW45O4VQEQY3ULD","json":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD.json","graph_json":"https://pith.science/api/pith-number/H6CRHA6OPV7XW45O4VQEQY3ULD/graph.json","events_json":"https://pith.science/api/pith-number/H6CRHA6OPV7XW45O4VQEQY3ULD/events.json","paper":"https://pith.science/paper/H6CRHA6O"},"agent_actions":{"view_html":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD","download_json":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD.json","view_paper":"https://pith.science/paper/H6CRHA6O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1708.01919&json=true","fetch_graph":"https://pith.science/api/pith-number/H6CRHA6OPV7XW45O4VQEQY3ULD/graph.json","fetch_events":"https://pith.science/api/pith-number/H6CRHA6OPV7XW45O4VQEQY3ULD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD/action/storage_attestation","attest_author":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD/action/author_attestation","sign_citation":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD/action/citation_signature","submit_replication":"https://pith.science/pith/H6CRHA6OPV7XW45O4VQEQY3ULD/action/replication_record"}},"created_at":"2026-05-18T00:14:06.708932+00:00","updated_at":"2026-05-18T00:14:06.708932+00:00"}