{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:APP23LPEFQNCA2ZFEF6FKVH727","short_pith_number":"pith:APP23LPE","schema_version":"1.0","canonical_sha256":"03dfadade42c1a206b25217c5554ffd7ce393ecaeb646fff0a44fb837062eb39","source":{"kind":"arxiv","id":"1810.06756","version":3},"attestation_state":"computed","paper":{"title":"Graphene oxide for enhanced nonlinear optics in low and high index contrast waveguides and nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Baohua Jia, Brent E. Little, David J. Moss, Jiayang Wu, Roberto Morandotti, Sai T. Chu, Xingyuan Xu, Yao Liang, Yunyi Yang","submitted_at":"2018-10-16T00:01:29Z","abstract_excerpt":"We demonstrate enhanced four-wave mixing (FWM) in doped silica waveguides integrated with graphene oxide (GO) layers. Owing to strong mode overlap between the integrated waveguides and GO films that have a high Kerr nonlinearity and low loss, the FWM efficiency of the hybrid integrated waveguides is significantly improved. We perform FWM measurements for different pump powers, wavelength detuning, GO coating lengths, and number of GO layers. Our experimental results show good agreement with theory, achieving up to ~9.5-dB enhancement in the FWM conversion efficiency for a 1.5-cm-long waveguide"},"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":"1810.06756","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-16T00:01:29Z","cross_cats_sorted":[],"title_canon_sha256":"b1ba448fef8cace3e719bd428f2764b19c9dc03332404b4549a3914cc9d35d47","abstract_canon_sha256":"8ee0067dd245d56bb7cb76c672ab854f5255db7091d0a4d5c4382e2e504080fc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:21.491148Z","signature_b64":"rPWuelZ9F1ntXRDOicFLA5uEp/cb5i73+bnNwgoJ83jbiaLW66eI1rIwhZ2l3bY0ISg0JbNRtXaoX1mhxL0GDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03dfadade42c1a206b25217c5554ffd7ce393ecaeb646fff0a44fb837062eb39","last_reissued_at":"2026-05-18T00:01:21.490589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:21.490589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Graphene oxide for enhanced nonlinear optics in low and high index contrast waveguides and nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Baohua Jia, Brent E. Little, David J. Moss, Jiayang Wu, Roberto Morandotti, Sai T. Chu, Xingyuan Xu, Yao Liang, Yunyi Yang","submitted_at":"2018-10-16T00:01:29Z","abstract_excerpt":"We demonstrate enhanced four-wave mixing (FWM) in doped silica waveguides integrated with graphene oxide (GO) layers. Owing to strong mode overlap between the integrated waveguides and GO films that have a high Kerr nonlinearity and low loss, the FWM efficiency of the hybrid integrated waveguides is significantly improved. We perform FWM measurements for different pump powers, wavelength detuning, GO coating lengths, and number of GO layers. Our experimental results show good agreement with theory, achieving up to ~9.5-dB enhancement in the FWM conversion efficiency for a 1.5-cm-long waveguide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06756","kind":"arxiv","version":3},"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":"1810.06756","created_at":"2026-05-18T00:01:21.490670+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.06756v3","created_at":"2026-05-18T00:01:21.490670+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06756","created_at":"2026-05-18T00:01:21.490670+00:00"},{"alias_kind":"pith_short_12","alias_value":"APP23LPEFQNC","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"APP23LPEFQNCA2ZF","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"APP23LPE","created_at":"2026-05-18T12:32:13.499390+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/APP23LPEFQNCA2ZFEF6FKVH727","json":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727.json","graph_json":"https://pith.science/api/pith-number/APP23LPEFQNCA2ZFEF6FKVH727/graph.json","events_json":"https://pith.science/api/pith-number/APP23LPEFQNCA2ZFEF6FKVH727/events.json","paper":"https://pith.science/paper/APP23LPE"},"agent_actions":{"view_html":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727","download_json":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727.json","view_paper":"https://pith.science/paper/APP23LPE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.06756&json=true","fetch_graph":"https://pith.science/api/pith-number/APP23LPEFQNCA2ZFEF6FKVH727/graph.json","fetch_events":"https://pith.science/api/pith-number/APP23LPEFQNCA2ZFEF6FKVH727/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727/action/timestamp_anchor","attest_storage":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727/action/storage_attestation","attest_author":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727/action/author_attestation","sign_citation":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727/action/citation_signature","submit_replication":"https://pith.science/pith/APP23LPEFQNCA2ZFEF6FKVH727/action/replication_record"}},"created_at":"2026-05-18T00:01:21.490670+00:00","updated_at":"2026-05-18T00:01:21.490670+00:00"}