{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:BDIN6BE5H4PLVKU4DUUNGCDCGM","short_pith_number":"pith:BDIN6BE5","schema_version":"1.0","canonical_sha256":"08d0df049d3f1ebaaa9c1d28d308623305f8579613cffb845c33dc8f8f0b7540","source":{"kind":"arxiv","id":"1206.3745","version":1},"attestation_state":"computed","paper":{"title":"Generating a Schr\\\"odinger-cat-like state via a coherent superposition of photonic operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Chang-Woo Lee, Hyunchul Nha, Hyunseok Jeong, Jinhyoung Lee","submitted_at":"2012-06-17T11:44:55Z","abstract_excerpt":"We propose an optical scheme to generate a superposition of coherent states with enhanced size adopting an interferometric setting at the single-photon level currently available in the laboratory. Our scheme employs a nondegenerate optical parametric amplifier together with two beam splitters so that the detection of single photons at the output conditionally implements the desired superposition of second-order photonic operations. We analyze our proposed scheme by considering realistic on-off photodetectors with nonideal efficiency in heralding the success of conditional events. A high-qualit"},"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":"1206.3745","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-17T11:44:55Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3182355c74565ebb19fda6a53b685a2b51a43490c80f48aeb2669bda142fb1d9","abstract_canon_sha256":"a6e022f66081defb2cc9a5b17b490c52369f079f1b21272058949ab302924fcd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:18.842519Z","signature_b64":"8eE8h54BFd8DT+GmoeWH2/XD1BakGjC1/jR8usZT0DPcRJctPbet24AyVQGM8uIIR26vR/7DbI3F9RJsAgkEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08d0df049d3f1ebaaa9c1d28d308623305f8579613cffb845c33dc8f8f0b7540","last_reissued_at":"2026-05-18T03:53:18.841928Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:18.841928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generating a Schr\\\"odinger-cat-like state via a coherent superposition of photonic operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Chang-Woo Lee, Hyunchul Nha, Hyunseok Jeong, Jinhyoung Lee","submitted_at":"2012-06-17T11:44:55Z","abstract_excerpt":"We propose an optical scheme to generate a superposition of coherent states with enhanced size adopting an interferometric setting at the single-photon level currently available in the laboratory. Our scheme employs a nondegenerate optical parametric amplifier together with two beam splitters so that the detection of single photons at the output conditionally implements the desired superposition of second-order photonic operations. We analyze our proposed scheme by considering realistic on-off photodetectors with nonideal efficiency in heralding the success of conditional events. A high-qualit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3745","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":"1206.3745","created_at":"2026-05-18T03:53:18.842034+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.3745v1","created_at":"2026-05-18T03:53:18.842034+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3745","created_at":"2026-05-18T03:53:18.842034+00:00"},{"alias_kind":"pith_short_12","alias_value":"BDIN6BE5H4PL","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_16","alias_value":"BDIN6BE5H4PLVKU4","created_at":"2026-05-18T12:26:58.693483+00:00"},{"alias_kind":"pith_short_8","alias_value":"BDIN6BE5","created_at":"2026-05-18T12:26:58.693483+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/BDIN6BE5H4PLVKU4DUUNGCDCGM","json":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM.json","graph_json":"https://pith.science/api/pith-number/BDIN6BE5H4PLVKU4DUUNGCDCGM/graph.json","events_json":"https://pith.science/api/pith-number/BDIN6BE5H4PLVKU4DUUNGCDCGM/events.json","paper":"https://pith.science/paper/BDIN6BE5"},"agent_actions":{"view_html":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM","download_json":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM.json","view_paper":"https://pith.science/paper/BDIN6BE5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.3745&json=true","fetch_graph":"https://pith.science/api/pith-number/BDIN6BE5H4PLVKU4DUUNGCDCGM/graph.json","fetch_events":"https://pith.science/api/pith-number/BDIN6BE5H4PLVKU4DUUNGCDCGM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM/action/storage_attestation","attest_author":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM/action/author_attestation","sign_citation":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM/action/citation_signature","submit_replication":"https://pith.science/pith/BDIN6BE5H4PLVKU4DUUNGCDCGM/action/replication_record"}},"created_at":"2026-05-18T03:53:18.842034+00:00","updated_at":"2026-05-18T03:53:18.842034+00:00"}