{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:R6T6ER2M5F64RVPD237XVMDC63","short_pith_number":"pith:R6T6ER2M","schema_version":"1.0","canonical_sha256":"8fa7e2474ce97dc8d5e3d6ff7ab062f6d773b3554b87c34ca11d2ad013b6a073","source":{"kind":"arxiv","id":"1604.01807","version":1},"attestation_state":"computed","paper":{"title":"Realization of a twin beam source based on four-wave mixing in Cesium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"D. Calonico, G. Adenier, I. P. Degiovanni, I. Ruo Berchera, N. Samantaray, S. Micalizio","submitted_at":"2016-04-06T21:02:41Z","abstract_excerpt":"Four-wave mixing (4WM) is a known source of intense non-classical twin beams. It can be generated when an intense laser beam (the pump) and a weak laser beam (the seed) overlap in a $\\chi^{(3)}$ medium (here cesium vapor), with frequencies close to resonance with atomic transitions. The twin beams generated by 4WM have frequencies naturally close to atomic transitions, and can be intense (gain $\\gg 1$) even in the CW pump regime, which is not the case for PDC $\\chi^{(2)}$ phenomenon in non-linear crystals. So, 4WM is well suited for atom-light interaction and atom-based quantum protocols. Here"},"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":"1604.01807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-04-06T21:02:41Z","cross_cats_sorted":[],"title_canon_sha256":"b01aaf127206ff55a14f9bbad57a0d5f5cc9be08875ed93868f79c00d3d490a9","abstract_canon_sha256":"a7592f892d488f3b6f00b7d8707abefdfec7aed47977f3991861bfc6d2ad74f5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:32.053802Z","signature_b64":"1tK9KdfN8OssSKweguw8nYZKPMIeFZ442fpgVcGjdWhqmrRx8C+Cjn9h1FR86+hxfRXUAVh3wFn471z/bX9PAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fa7e2474ce97dc8d5e3d6ff7ab062f6d773b3554b87c34ca11d2ad013b6a073","last_reissued_at":"2026-05-18T01:17:32.053088Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:32.053088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Realization of a twin beam source based on four-wave mixing in Cesium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"D. Calonico, G. Adenier, I. P. Degiovanni, I. Ruo Berchera, N. Samantaray, S. Micalizio","submitted_at":"2016-04-06T21:02:41Z","abstract_excerpt":"Four-wave mixing (4WM) is a known source of intense non-classical twin beams. It can be generated when an intense laser beam (the pump) and a weak laser beam (the seed) overlap in a $\\chi^{(3)}$ medium (here cesium vapor), with frequencies close to resonance with atomic transitions. The twin beams generated by 4WM have frequencies naturally close to atomic transitions, and can be intense (gain $\\gg 1$) even in the CW pump regime, which is not the case for PDC $\\chi^{(2)}$ phenomenon in non-linear crystals. So, 4WM is well suited for atom-light interaction and atom-based quantum protocols. Here"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01807","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":"1604.01807","created_at":"2026-05-18T01:17:32.053188+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.01807v1","created_at":"2026-05-18T01:17:32.053188+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01807","created_at":"2026-05-18T01:17:32.053188+00:00"},{"alias_kind":"pith_short_12","alias_value":"R6T6ER2M5F64","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_16","alias_value":"R6T6ER2M5F64RVPD","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_8","alias_value":"R6T6ER2M","created_at":"2026-05-18T12:30:41.710351+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/R6T6ER2M5F64RVPD237XVMDC63","json":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63.json","graph_json":"https://pith.science/api/pith-number/R6T6ER2M5F64RVPD237XVMDC63/graph.json","events_json":"https://pith.science/api/pith-number/R6T6ER2M5F64RVPD237XVMDC63/events.json","paper":"https://pith.science/paper/R6T6ER2M"},"agent_actions":{"view_html":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63","download_json":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63.json","view_paper":"https://pith.science/paper/R6T6ER2M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.01807&json=true","fetch_graph":"https://pith.science/api/pith-number/R6T6ER2M5F64RVPD237XVMDC63/graph.json","fetch_events":"https://pith.science/api/pith-number/R6T6ER2M5F64RVPD237XVMDC63/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63/action/storage_attestation","attest_author":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63/action/author_attestation","sign_citation":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63/action/citation_signature","submit_replication":"https://pith.science/pith/R6T6ER2M5F64RVPD237XVMDC63/action/replication_record"}},"created_at":"2026-05-18T01:17:32.053188+00:00","updated_at":"2026-05-18T01:17:32.053188+00:00"}