{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:ZJNRKE3M64YOJNIXONURRRMSGB","short_pith_number":"pith:ZJNRKE3M","schema_version":"1.0","canonical_sha256":"ca5b15136cf730e4b517736918c59230404481795cd0372a3a5638d7733d1840","source":{"kind":"arxiv","id":"1206.3638","version":1},"attestation_state":"computed","paper":{"title":"Coherent Feedback Control of Linear Quantum Optical Systems via Squeezing and Phase Shift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bo Huang, Guofeng Zhang, Heung Wing Joseph Lee, Hu Zhang","submitted_at":"2012-06-16T07:45:48Z","abstract_excerpt":"The purpose of this paper is to present a theoretic and numerical study of utilizing squeezing and phase shift in coherent feedback control of linear quantum optical systems. A quadrature representation with built-in phase shifters is proposed for such systems. Fundamental structural characterizations of linear quantum optical systems are derived in terms of the new quadrature representation. These results reveal considerable insights of issue of physical realizability of such quantum systems. The problem of coherent quantum LQG feedback control studied in [35,50] is re-investigated in depth. "},"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":"1206.3638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-06-16T07:45:48Z","cross_cats_sorted":[],"title_canon_sha256":"7d0311bdd967e8e1e5c6b3f55bf3d6a22201dc9aaf47dfe6467ba09cc57b5a2d","abstract_canon_sha256":"3d825875739f19649ae923cb63b5d3892176f8facbd1e02e3c7d000e391e511c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:19.282368Z","signature_b64":"re/geUhkiGp1/RsnqXx3XsN13ZolIGygWiUdaDUwxzt22byGe8T725p5SUf1r0BuK/aDLctNYstsEoc0MsQiBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca5b15136cf730e4b517736918c59230404481795cd0372a3a5638d7733d1840","last_reissued_at":"2026-05-18T03:53:19.281686Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:19.281686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coherent Feedback Control of Linear Quantum Optical Systems via Squeezing and Phase Shift","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bo Huang, Guofeng Zhang, Heung Wing Joseph Lee, Hu Zhang","submitted_at":"2012-06-16T07:45:48Z","abstract_excerpt":"The purpose of this paper is to present a theoretic and numerical study of utilizing squeezing and phase shift in coherent feedback control of linear quantum optical systems. A quadrature representation with built-in phase shifters is proposed for such systems. Fundamental structural characterizations of linear quantum optical systems are derived in terms of the new quadrature representation. These results reveal considerable insights of issue of physical realizability of such quantum systems. The problem of coherent quantum LQG feedback control studied in [35,50] is re-investigated in depth. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3638","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":"1206.3638","created_at":"2026-05-18T03:53:19.281782+00:00"},{"alias_kind":"arxiv_version","alias_value":"1206.3638v1","created_at":"2026-05-18T03:53:19.281782+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3638","created_at":"2026-05-18T03:53:19.281782+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZJNRKE3M64YO","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZJNRKE3M64YOJNIX","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZJNRKE3M","created_at":"2026-05-18T12:27:30.460161+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/ZJNRKE3M64YOJNIXONURRRMSGB","json":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB.json","graph_json":"https://pith.science/api/pith-number/ZJNRKE3M64YOJNIXONURRRMSGB/graph.json","events_json":"https://pith.science/api/pith-number/ZJNRKE3M64YOJNIXONURRRMSGB/events.json","paper":"https://pith.science/paper/ZJNRKE3M"},"agent_actions":{"view_html":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB","download_json":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB.json","view_paper":"https://pith.science/paper/ZJNRKE3M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1206.3638&json=true","fetch_graph":"https://pith.science/api/pith-number/ZJNRKE3M64YOJNIXONURRRMSGB/graph.json","fetch_events":"https://pith.science/api/pith-number/ZJNRKE3M64YOJNIXONURRRMSGB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB/action/storage_attestation","attest_author":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB/action/author_attestation","sign_citation":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB/action/citation_signature","submit_replication":"https://pith.science/pith/ZJNRKE3M64YOJNIXONURRRMSGB/action/replication_record"}},"created_at":"2026-05-18T03:53:19.281782+00:00","updated_at":"2026-05-18T03:53:19.281782+00:00"}