{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:AQ7XHUH3E3FV5QZONBWD2IFQFJ","short_pith_number":"pith:AQ7XHUH3","schema_version":"1.0","canonical_sha256":"043f73d0fb26cb5ec32e686c3d20b02a4363a765f28d2a67fc9c7e3c149c5046","source":{"kind":"arxiv","id":"1610.00170","version":1},"attestation_state":"computed","paper":{"title":"High-performance coherent population trapping clock with polarization modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Bruno Fran\\c{c}ois, Claudio Eligio Calosso, Emeric de Clercq, Fran\\c{c}ois Tricot, Peter Yun, Rodolphe Boudot, Salvatore Micalizio, St\\'ephane Gu\\'erandel","submitted_at":"2016-10-01T18:45:25Z","abstract_excerpt":"We demonstrate a vapor cell atomic clock prototype based on continuous-wave (CW) interrogation and double-modulation coherent population trapping (DM-CPT) technique. The DM-CPT technique uses a synchronous modulation of polarization and relative phase of a bi-chromatic laser beam in order to increase the number of atoms trapped in a dark state, i.e. a non-absorbing state. The narrow resonance, observed in transmission of a Cs vapor cell, is used as a narrow frequency discriminator in an atomic clock. A detailed characterization of the CPT resonance versus numerous parameters is reported. A sho"},"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":"1610.00170","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-10-01T18:45:25Z","cross_cats_sorted":[],"title_canon_sha256":"383b7f348ef74751448b2a6b6cc384e9c970aeaffb58fb0ff75fd788ca7bb0b4","abstract_canon_sha256":"86f8e0357e606ea3ab4ecf4957742d11b42ec49a390128454be89ab7c683ae21"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:45.874009Z","signature_b64":"K4MPnoDw9RmQ+wcoN4RzlTW6djJWo9DXl4FHeogalZMPYsCrFAcpLwcQeRXpDGMjXvqZXDZYU4a0ytuDUUzzCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"043f73d0fb26cb5ec32e686c3d20b02a4363a765f28d2a67fc9c7e3c149c5046","last_reissued_at":"2026-05-18T00:51:45.873415Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:45.873415Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High-performance coherent population trapping clock with polarization modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Bruno Fran\\c{c}ois, Claudio Eligio Calosso, Emeric de Clercq, Fran\\c{c}ois Tricot, Peter Yun, Rodolphe Boudot, Salvatore Micalizio, St\\'ephane Gu\\'erandel","submitted_at":"2016-10-01T18:45:25Z","abstract_excerpt":"We demonstrate a vapor cell atomic clock prototype based on continuous-wave (CW) interrogation and double-modulation coherent population trapping (DM-CPT) technique. The DM-CPT technique uses a synchronous modulation of polarization and relative phase of a bi-chromatic laser beam in order to increase the number of atoms trapped in a dark state, i.e. a non-absorbing state. The narrow resonance, observed in transmission of a Cs vapor cell, is used as a narrow frequency discriminator in an atomic clock. A detailed characterization of the CPT resonance versus numerous parameters is reported. A sho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00170","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":"1610.00170","created_at":"2026-05-18T00:51:45.873514+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.00170v1","created_at":"2026-05-18T00:51:45.873514+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00170","created_at":"2026-05-18T00:51:45.873514+00:00"},{"alias_kind":"pith_short_12","alias_value":"AQ7XHUH3E3FV","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"AQ7XHUH3E3FV5QZO","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"AQ7XHUH3","created_at":"2026-05-18T12:30:07.202191+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/AQ7XHUH3E3FV5QZONBWD2IFQFJ","json":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ.json","graph_json":"https://pith.science/api/pith-number/AQ7XHUH3E3FV5QZONBWD2IFQFJ/graph.json","events_json":"https://pith.science/api/pith-number/AQ7XHUH3E3FV5QZONBWD2IFQFJ/events.json","paper":"https://pith.science/paper/AQ7XHUH3"},"agent_actions":{"view_html":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ","download_json":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ.json","view_paper":"https://pith.science/paper/AQ7XHUH3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.00170&json=true","fetch_graph":"https://pith.science/api/pith-number/AQ7XHUH3E3FV5QZONBWD2IFQFJ/graph.json","fetch_events":"https://pith.science/api/pith-number/AQ7XHUH3E3FV5QZONBWD2IFQFJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ/action/storage_attestation","attest_author":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ/action/author_attestation","sign_citation":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ/action/citation_signature","submit_replication":"https://pith.science/pith/AQ7XHUH3E3FV5QZONBWD2IFQFJ/action/replication_record"}},"created_at":"2026-05-18T00:51:45.873514+00:00","updated_at":"2026-05-18T00:51:45.873514+00:00"}