{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:S4RIY5QNAXJHCS3YFJ4YYQ54V5","short_pith_number":"pith:S4RIY5QN","schema_version":"1.0","canonical_sha256":"97228c760d05d2714b782a798c43bcaf5640ea612e45949dabe4377e621e65ef","source":{"kind":"arxiv","id":"1609.00394","version":1},"attestation_state":"computed","paper":{"title":"60dB high-extinction auto-configured Mach--Zehnder interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Callum M. Wilkes, David A. B. Miller, Graham D. Marshall, Jeremy L. O'Brien, Jianwei Wang, Mark G. Thompson, Raffaele Santagati, Stefano Paesani, Xiaogang Qiang, Xiaoqi Zhou","submitted_at":"2016-09-01T20:14:53Z","abstract_excerpt":"Imperfections in integrated photonics manufacturing have a detrimental effect on the maximal achievable visibility in interferometric architectures. These limits have profound implications for further photonics technological developments and in particular for quantum photonics technologies. Active optimisation approaches, together with reconfigurable photonics, have been proposed as a solution to overcome this. In this paper, we demonstrate an ultra-high (>60 dB) extinction ratio in a silicon photonic device consisting of cascaded Mach-Zehnder interferometers, in which additional interferomete"},"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":"1609.00394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-09-01T20:14:53Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"621fa5260e2f74c8af525e1cd4f6ed064f70b71a2de9fcd764cf3651b82f7ce6","abstract_canon_sha256":"b66b3bb00963d4d85d4c732e56d6c2a72fd617acb1d243536cea337075a8ce93"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:34.296713Z","signature_b64":"fg6Me0vjCI9KVGAW3Et9qnYTTZw+HnFETEZfuXu9qDrtd01gdioUHMCpwgypgHtci/Pa7jooT+y/pajlXi9PAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97228c760d05d2714b782a798c43bcaf5640ea612e45949dabe4377e621e65ef","last_reissued_at":"2026-05-18T00:59:34.296154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:34.296154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"60dB high-extinction auto-configured Mach--Zehnder interferometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Callum M. Wilkes, David A. B. Miller, Graham D. Marshall, Jeremy L. O'Brien, Jianwei Wang, Mark G. Thompson, Raffaele Santagati, Stefano Paesani, Xiaogang Qiang, Xiaoqi Zhou","submitted_at":"2016-09-01T20:14:53Z","abstract_excerpt":"Imperfections in integrated photonics manufacturing have a detrimental effect on the maximal achievable visibility in interferometric architectures. These limits have profound implications for further photonics technological developments and in particular for quantum photonics technologies. Active optimisation approaches, together with reconfigurable photonics, have been proposed as a solution to overcome this. In this paper, we demonstrate an ultra-high (>60 dB) extinction ratio in a silicon photonic device consisting of cascaded Mach-Zehnder interferometers, in which additional interferomete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00394","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":"1609.00394","created_at":"2026-05-18T00:59:34.296240+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.00394v1","created_at":"2026-05-18T00:59:34.296240+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00394","created_at":"2026-05-18T00:59:34.296240+00:00"},{"alias_kind":"pith_short_12","alias_value":"S4RIY5QNAXJH","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_16","alias_value":"S4RIY5QNAXJHCS3Y","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_8","alias_value":"S4RIY5QN","created_at":"2026-05-18T12:30:41.710351+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/S4RIY5QNAXJHCS3YFJ4YYQ54V5","json":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5.json","graph_json":"https://pith.science/api/pith-number/S4RIY5QNAXJHCS3YFJ4YYQ54V5/graph.json","events_json":"https://pith.science/api/pith-number/S4RIY5QNAXJHCS3YFJ4YYQ54V5/events.json","paper":"https://pith.science/paper/S4RIY5QN"},"agent_actions":{"view_html":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5","download_json":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5.json","view_paper":"https://pith.science/paper/S4RIY5QN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.00394&json=true","fetch_graph":"https://pith.science/api/pith-number/S4RIY5QNAXJHCS3YFJ4YYQ54V5/graph.json","fetch_events":"https://pith.science/api/pith-number/S4RIY5QNAXJHCS3YFJ4YYQ54V5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5/action/storage_attestation","attest_author":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5/action/author_attestation","sign_citation":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5/action/citation_signature","submit_replication":"https://pith.science/pith/S4RIY5QNAXJHCS3YFJ4YYQ54V5/action/replication_record"}},"created_at":"2026-05-18T00:59:34.296240+00:00","updated_at":"2026-05-18T00:59:34.296240+00:00"}