{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2ZTSUMQX7QQI5KAMMZIPC5CLP7","short_pith_number":"pith:2ZTSUMQX","schema_version":"1.0","canonical_sha256":"d6672a3217fc208ea80c6650f1744b7fef0cb5b9211e0819c858e9b352a366a5","source":{"kind":"arxiv","id":"1112.0764","version":1},"attestation_state":"computed","paper":{"title":"Highly Entangled Photons and Rapidly Responding Polarization Qubit Phase Gates in a Room-Temperature Active Raman Gain Medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chao Hang, Guoxiang Huang","submitted_at":"2011-12-04T15:55:51Z","abstract_excerpt":"We present a scheme for obtaining entangled photons and quantum phase gates in a room-temperature four-state tripod-type atomic system with two-mode active Raman gain (ARG). We analyze the linear and nonlinear optical response of this ARG system and show that the scheme is fundamentally different from those based on electromagnetically induced transparency and hence can avoid significant probe-field absorption as well as temperature-related Doppler effect. We demonstrate that highly entangled photon pairs can be produced and rapidly responding polarization qubit phase gates can be constructed "},"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":"1112.0764","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-12-04T15:55:51Z","cross_cats_sorted":[],"title_canon_sha256":"534d8858cf1ec122526e3a60021d6462d29cdf3303815fcc93ab3638a601b46e","abstract_canon_sha256":"00adea015c863106d616b082e2eadad84c875097b27a8b55df5a4533281dbdae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:17.329364Z","signature_b64":"MQLsJ4WQ9P08iRWCjW4ZauHf4d5XK+t2WHcjHjkQ+fi+x1IaSycSUPr9Os8GP/C6x7M1iGjZH4J6lFGRKzsWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6672a3217fc208ea80c6650f1744b7fef0cb5b9211e0819c858e9b352a366a5","last_reissued_at":"2026-05-18T01:59:17.328615Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:17.328615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Highly Entangled Photons and Rapidly Responding Polarization Qubit Phase Gates in a Room-Temperature Active Raman Gain Medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Chao Hang, Guoxiang Huang","submitted_at":"2011-12-04T15:55:51Z","abstract_excerpt":"We present a scheme for obtaining entangled photons and quantum phase gates in a room-temperature four-state tripod-type atomic system with two-mode active Raman gain (ARG). We analyze the linear and nonlinear optical response of this ARG system and show that the scheme is fundamentally different from those based on electromagnetically induced transparency and hence can avoid significant probe-field absorption as well as temperature-related Doppler effect. We demonstrate that highly entangled photon pairs can be produced and rapidly responding polarization qubit phase gates can be constructed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.0764","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":"1112.0764","created_at":"2026-05-18T01:59:17.328735+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.0764v1","created_at":"2026-05-18T01:59:17.328735+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.0764","created_at":"2026-05-18T01:59:17.328735+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ZTSUMQX7QQI","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ZTSUMQX7QQI5KAM","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ZTSUMQX","created_at":"2026-05-18T12:26:18.847500+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/2ZTSUMQX7QQI5KAMMZIPC5CLP7","json":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7.json","graph_json":"https://pith.science/api/pith-number/2ZTSUMQX7QQI5KAMMZIPC5CLP7/graph.json","events_json":"https://pith.science/api/pith-number/2ZTSUMQX7QQI5KAMMZIPC5CLP7/events.json","paper":"https://pith.science/paper/2ZTSUMQX"},"agent_actions":{"view_html":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7","download_json":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7.json","view_paper":"https://pith.science/paper/2ZTSUMQX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.0764&json=true","fetch_graph":"https://pith.science/api/pith-number/2ZTSUMQX7QQI5KAMMZIPC5CLP7/graph.json","fetch_events":"https://pith.science/api/pith-number/2ZTSUMQX7QQI5KAMMZIPC5CLP7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7/action/storage_attestation","attest_author":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7/action/author_attestation","sign_citation":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7/action/citation_signature","submit_replication":"https://pith.science/pith/2ZTSUMQX7QQI5KAMMZIPC5CLP7/action/replication_record"}},"created_at":"2026-05-18T01:59:17.328735+00:00","updated_at":"2026-05-18T01:59:17.328735+00:00"}