{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:73PTGHL32DRFFPDYP2OIGVCQBM","short_pith_number":"pith:73PTGHL3","schema_version":"1.0","canonical_sha256":"fedf331d7bd0e252bc787e9c8354500b2f41abf5cd5bdcea3e0f5e50bf0dfacb","source":{"kind":"arxiv","id":"1908.09242","version":2},"attestation_state":"computed","paper":{"title":"Experimental realization of quantum non-reciprocity based on cold atomic ensembles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, En-Ze Li, Guang-Can Guo, Lei Zeng, Ming-Xin Dong, Wei-Hang Zhang, Yi-chen Yu, Ying-hao Ye","submitted_at":"2019-08-25T01:44:31Z","abstract_excerpt":"In analog to counterparts widely used in electronic circuits, all optical non-reciprocal devices are basic building blocks for both classical and quantum optical information processing. Approaching the fundamental limit of such devices, where the propagation of a single photon exhibits a good non-reciprocal characteristic, requires an asymmetric strong coupling between a single photon and a matter. Unfortunately it has been not realized yet. Here, we propose and experimentally realize a quantum non-reciprocity device with low optical losses and a high isolation of larger than 14 dB based on th"},"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":"1908.09242","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2019-08-25T01:44:31Z","cross_cats_sorted":["physics.atom-ph","physics.optics"],"title_canon_sha256":"d65004f778f3d01fdb07f633e1bfcd774fa592c1b8621daeffd476fe483700e6","abstract_canon_sha256":"cf0f0c150e8475fc4991137a5b8d086c4a4374675ef340714442e603defa1744"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:22:48.589860Z","signature_b64":"+hKdcpQMv4Z50VfDVjajX3i6oKETOxTUD3CbtVnulePYOqxmw1sb+qlL9sRBq+b2cRS5Urz0clIKG/hVxbIAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fedf331d7bd0e252bc787e9c8354500b2f41abf5cd5bdcea3e0f5e50bf0dfacb","last_reissued_at":"2026-07-05T04:22:48.589408Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:22:48.589408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental realization of quantum non-reciprocity based on cold atomic ensembles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Bao-Sen Shi, Dong-Sheng Ding, En-Ze Li, Guang-Can Guo, Lei Zeng, Ming-Xin Dong, Wei-Hang Zhang, Yi-chen Yu, Ying-hao Ye","submitted_at":"2019-08-25T01:44:31Z","abstract_excerpt":"In analog to counterparts widely used in electronic circuits, all optical non-reciprocal devices are basic building blocks for both classical and quantum optical information processing. Approaching the fundamental limit of such devices, where the propagation of a single photon exhibits a good non-reciprocal characteristic, requires an asymmetric strong coupling between a single photon and a matter. Unfortunately it has been not realized yet. Here, we propose and experimentally realize a quantum non-reciprocity device with low optical losses and a high isolation of larger than 14 dB based on th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.09242","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.09242/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.09242","created_at":"2026-07-05T04:22:48.589492+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.09242v2","created_at":"2026-07-05T04:22:48.589492+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.09242","created_at":"2026-07-05T04:22:48.589492+00:00"},{"alias_kind":"pith_short_12","alias_value":"73PTGHL32DRF","created_at":"2026-07-05T04:22:48.589492+00:00"},{"alias_kind":"pith_short_16","alias_value":"73PTGHL32DRFFPDY","created_at":"2026-07-05T04:22:48.589492+00:00"},{"alias_kind":"pith_short_8","alias_value":"73PTGHL3","created_at":"2026-07-05T04:22:48.589492+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/73PTGHL32DRFFPDYP2OIGVCQBM","json":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM.json","graph_json":"https://pith.science/api/pith-number/73PTGHL32DRFFPDYP2OIGVCQBM/graph.json","events_json":"https://pith.science/api/pith-number/73PTGHL32DRFFPDYP2OIGVCQBM/events.json","paper":"https://pith.science/paper/73PTGHL3"},"agent_actions":{"view_html":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM","download_json":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM.json","view_paper":"https://pith.science/paper/73PTGHL3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.09242&json=true","fetch_graph":"https://pith.science/api/pith-number/73PTGHL32DRFFPDYP2OIGVCQBM/graph.json","fetch_events":"https://pith.science/api/pith-number/73PTGHL32DRFFPDYP2OIGVCQBM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM/action/storage_attestation","attest_author":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM/action/author_attestation","sign_citation":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM/action/citation_signature","submit_replication":"https://pith.science/pith/73PTGHL32DRFFPDYP2OIGVCQBM/action/replication_record"}},"created_at":"2026-07-05T04:22:48.589492+00:00","updated_at":"2026-07-05T04:22:48.589492+00:00"}