{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IEUYW2C5PKSBKE6NLDC464623Y","short_pith_number":"pith:IEUYW2C5","schema_version":"1.0","canonical_sha256":"41298b685d7aa41513cd58c5cf73dade1cf58e8f291c477cee25f3cf0337049d","source":{"kind":"arxiv","id":"1901.11101","version":1},"attestation_state":"computed","paper":{"title":"Coherent two-octave-spanning supercontinuum generation in lithium-niobate waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander L. Gaeta, Boris Desiatov, Marko Loncar, Mengjie Yu, Yoshitomo Okawachi","submitted_at":"2019-01-30T21:01:48Z","abstract_excerpt":"We demonstrate coherent supercontinuum generation (SCG) in a monolithically integrated lithium-niobate waveguide, under the presence of second- and third-order nonlinear effects. We achieve more than two octaves of optical bandwidth in a 0.5-cm-long waveguide with 100-picojoule-level pulses. Dispersion engineering of the waveguide allows for spectral overlap between the SCG and the second harmonic which enables direct detection of the carrier-envelope offset frequency fCEO using a single waveguide. We measure the fCEO of our femtosecond pump source with a 30-dB signal-to-noise ratio."},"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":"1901.11101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-01-30T21:01:48Z","cross_cats_sorted":[],"title_canon_sha256":"a6de4191da6260717c6ebf1b661406d9b18791b57a3645f725c39794569dd8c3","abstract_canon_sha256":"8ecf1a2b6a29c7088995e1a36e69f9da5b551d39c53cf733baf194eef7a23f73"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:21.580832Z","signature_b64":"xyu6nT9R0xIylzWucYqjpVuPO93f5iDpXWs94F3lYO6Nm1cXeDUcQFDoHfOIoMiFRYd0DHKtfYwsv3VroFtyDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41298b685d7aa41513cd58c5cf73dade1cf58e8f291c477cee25f3cf0337049d","last_reissued_at":"2026-05-17T23:50:21.580184Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:21.580184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coherent two-octave-spanning supercontinuum generation in lithium-niobate waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander L. Gaeta, Boris Desiatov, Marko Loncar, Mengjie Yu, Yoshitomo Okawachi","submitted_at":"2019-01-30T21:01:48Z","abstract_excerpt":"We demonstrate coherent supercontinuum generation (SCG) in a monolithically integrated lithium-niobate waveguide, under the presence of second- and third-order nonlinear effects. We achieve more than two octaves of optical bandwidth in a 0.5-cm-long waveguide with 100-picojoule-level pulses. Dispersion engineering of the waveguide allows for spectral overlap between the SCG and the second harmonic which enables direct detection of the carrier-envelope offset frequency fCEO using a single waveguide. We measure the fCEO of our femtosecond pump source with a 30-dB signal-to-noise ratio."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.11101","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":"1901.11101","created_at":"2026-05-17T23:50:21.580269+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.11101v1","created_at":"2026-05-17T23:50:21.580269+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.11101","created_at":"2026-05-17T23:50:21.580269+00:00"},{"alias_kind":"pith_short_12","alias_value":"IEUYW2C5PKSB","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IEUYW2C5PKSBKE6N","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IEUYW2C5","created_at":"2026-05-18T12:33:18.533446+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/IEUYW2C5PKSBKE6NLDC464623Y","json":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y.json","graph_json":"https://pith.science/api/pith-number/IEUYW2C5PKSBKE6NLDC464623Y/graph.json","events_json":"https://pith.science/api/pith-number/IEUYW2C5PKSBKE6NLDC464623Y/events.json","paper":"https://pith.science/paper/IEUYW2C5"},"agent_actions":{"view_html":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y","download_json":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y.json","view_paper":"https://pith.science/paper/IEUYW2C5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.11101&json=true","fetch_graph":"https://pith.science/api/pith-number/IEUYW2C5PKSBKE6NLDC464623Y/graph.json","fetch_events":"https://pith.science/api/pith-number/IEUYW2C5PKSBKE6NLDC464623Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y/action/storage_attestation","attest_author":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y/action/author_attestation","sign_citation":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y/action/citation_signature","submit_replication":"https://pith.science/pith/IEUYW2C5PKSBKE6NLDC464623Y/action/replication_record"}},"created_at":"2026-05-17T23:50:21.580269+00:00","updated_at":"2026-05-17T23:50:21.580269+00:00"}