{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:V4GPGLK5IDCKXGUX64HTK572MU","short_pith_number":"pith:V4GPGLK5","schema_version":"1.0","canonical_sha256":"af0cf32d5d40c4ab9a97f70f3577fa653ccd6279c9530009a8b5278c39b29e97","source":{"kind":"arxiv","id":"2009.07522","version":1},"attestation_state":"computed","paper":{"title":"Non-Dissipative Non-Hermitian Dynamics and Exceptional Points in Coupled Optical Parametric Oscillators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Alireza Marandi, Arkadev Roy, Avik Dutt, Mohammad-Ali Miri, Qiushi Guo, Saman Jahani, Shanhui Fan","submitted_at":"2020-09-16T07:39:04Z","abstract_excerpt":"Engineered non-Hermitian systems featuring exceptional points can lead to a host of extraordinary phenomena in diverse fields ranging from photonics, acoustics, opto-mechanics, electronics, to atomic physics. Here we introduce and present non-Hermitian dynamics of coupled optical parametric oscillators (OPOs) arising from phase-sensitive amplification and de-amplification, and show their distinct advantages over conventional non-Hermitian systems relying on laser gain and loss. OPO-based non-Hermitian systems can benefit from the instantaneous nature of the parametric gain, noiseless phase-sen"},"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":"2009.07522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-09-16T07:39:04Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"baf0349de0d1a239142b034cdb767dfca9c461a8f7148aa463a77bbfa78dd64d","abstract_canon_sha256":"d8022b5eafd58ef5b133c2d952ade963d2a20c46cb7768d4cbdb7db22e205fc8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:24:51.255801Z","signature_b64":"5R0HkjBbkIAisZ2uNnPHCj1Dw5VCLoSyILCFgaeF84AIsMvDs49WQ+ts/3/SxqnZL2J8BFTeh/8+BKaL9qszAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af0cf32d5d40c4ab9a97f70f3577fa653ccd6279c9530009a8b5278c39b29e97","last_reissued_at":"2026-07-05T02:24:51.255460Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:24:51.255460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-Dissipative Non-Hermitian Dynamics and Exceptional Points in Coupled Optical Parametric Oscillators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Alireza Marandi, Arkadev Roy, Avik Dutt, Mohammad-Ali Miri, Qiushi Guo, Saman Jahani, Shanhui Fan","submitted_at":"2020-09-16T07:39:04Z","abstract_excerpt":"Engineered non-Hermitian systems featuring exceptional points can lead to a host of extraordinary phenomena in diverse fields ranging from photonics, acoustics, opto-mechanics, electronics, to atomic physics. Here we introduce and present non-Hermitian dynamics of coupled optical parametric oscillators (OPOs) arising from phase-sensitive amplification and de-amplification, and show their distinct advantages over conventional non-Hermitian systems relying on laser gain and loss. OPO-based non-Hermitian systems can benefit from the instantaneous nature of the parametric gain, noiseless phase-sen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.07522","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.07522/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":"2009.07522","created_at":"2026-07-05T02:24:51.255510+00:00"},{"alias_kind":"arxiv_version","alias_value":"2009.07522v1","created_at":"2026-07-05T02:24:51.255510+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.07522","created_at":"2026-07-05T02:24:51.255510+00:00"},{"alias_kind":"pith_short_12","alias_value":"V4GPGLK5IDCK","created_at":"2026-07-05T02:24:51.255510+00:00"},{"alias_kind":"pith_short_16","alias_value":"V4GPGLK5IDCKXGUX","created_at":"2026-07-05T02:24:51.255510+00:00"},{"alias_kind":"pith_short_8","alias_value":"V4GPGLK5","created_at":"2026-07-05T02:24:51.255510+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/V4GPGLK5IDCKXGUX64HTK572MU","json":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU.json","graph_json":"https://pith.science/api/pith-number/V4GPGLK5IDCKXGUX64HTK572MU/graph.json","events_json":"https://pith.science/api/pith-number/V4GPGLK5IDCKXGUX64HTK572MU/events.json","paper":"https://pith.science/paper/V4GPGLK5"},"agent_actions":{"view_html":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU","download_json":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU.json","view_paper":"https://pith.science/paper/V4GPGLK5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2009.07522&json=true","fetch_graph":"https://pith.science/api/pith-number/V4GPGLK5IDCKXGUX64HTK572MU/graph.json","fetch_events":"https://pith.science/api/pith-number/V4GPGLK5IDCKXGUX64HTK572MU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU/action/storage_attestation","attest_author":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU/action/author_attestation","sign_citation":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU/action/citation_signature","submit_replication":"https://pith.science/pith/V4GPGLK5IDCKXGUX64HTK572MU/action/replication_record"}},"created_at":"2026-07-05T02:24:51.255510+00:00","updated_at":"2026-07-05T02:24:51.255510+00:00"}