{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IWSG4FLHUU5XXQT3HJCS6MWP45","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"28445b8ff16820131d49946c531a1fc24115a740eaf0dfe89428d5a2ae98fde5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-13T02:59:20Z","title_canon_sha256":"4cd72c2a1467cf14fb7ac4cd736acbb47daa2279815b398e0b9c7168178a7a32"},"schema_version":"1.0","source":{"id":"1711.04400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.04400","created_at":"2026-05-18T00:30:39Z"},{"alias_kind":"arxiv_version","alias_value":"1711.04400v1","created_at":"2026-05-18T00:30:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.04400","created_at":"2026-05-18T00:30:39Z"},{"alias_kind":"pith_short_12","alias_value":"IWSG4FLHUU5X","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IWSG4FLHUU5XXQT3","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IWSG4FLH","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:200248005e7b38dfa1d93710494b482661279a83beb5a05445919ccd889fce01","target":"graph","created_at":"2026-05-18T00:30:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We demonstrate efficient, low power, continuous-wave four-wave mixing in the C-band, using a high index doped silica glass micro ring resonator having a Q-factor of 1.2 million. A record high conversion efficiency for this kind of device is achieved over a bandwidth of 20nm. We show theoretically that the characteristic low dispersion enables phase-matching over a bandwidth > 160nm.","authors_text":"B. E. Little, D. Duchesne, D. J. Moss, D.-X. Xu, L. Razzari, M. Ferrera, M. Peccianti, P. Cheben, R. Morandotti, S. Chu, S. Janz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-13T02:59:20Z","title":"Ultra-low power nonlinear optics in a high Q CMOS compatible integrated micro-ring resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.04400","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:896936fd23fc19a839812108da8753f4e44c94b40158754c44e8b0a2bf9498e4","target":"record","created_at":"2026-05-18T00:30:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"28445b8ff16820131d49946c531a1fc24115a740eaf0dfe89428d5a2ae98fde5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-13T02:59:20Z","title_canon_sha256":"4cd72c2a1467cf14fb7ac4cd736acbb47daa2279815b398e0b9c7168178a7a32"},"schema_version":"1.0","source":{"id":"1711.04400","kind":"arxiv","version":1}},"canonical_sha256":"45a46e1567a53b7bc27b3a452f32cfe775ec42b5cc7853b20d5f24f2a7148868","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45a46e1567a53b7bc27b3a452f32cfe775ec42b5cc7853b20d5f24f2a7148868","first_computed_at":"2026-05-18T00:30:39.158151Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:39.158151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d2wOogKW7LQ6533fuBPmexIzYF4cEipAUH16fU2to83gmLHbU9XHn9F1i3rVGtcxhGqPMsglkpB81Qb5N7C2AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:39.158764Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.04400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:896936fd23fc19a839812108da8753f4e44c94b40158754c44e8b0a2bf9498e4","sha256:200248005e7b38dfa1d93710494b482661279a83beb5a05445919ccd889fce01"],"state_sha256":"3761c0e953db44e1f57d874f93691bb25186e121bdb1b81ffdb5073a3b8ae05d"}