{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:PM43UWWHPWTSCE5ZSGNGPK6QCI","short_pith_number":"pith:PM43UWWH","schema_version":"1.0","canonical_sha256":"7b39ba5ac77da72113b9919a67abd0123b9d8a9649193e6874e7d73e61e60bd7","source":{"kind":"arxiv","id":"1907.07164","version":1},"attestation_state":"computed","paper":{"title":"Turn-key, high-efficiency Kerr comb source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander L. Gaeta, Bok Young Kim, Chaitanya Joshi, Jae K. Jang, Mengjie Yu, Michal Lipson, Xingchen Ji, Yoshitomo Okawachi, Yun Zhao","submitted_at":"2019-07-16T17:46:16Z","abstract_excerpt":"We demonstrate an approach for automated Kerr comb generation in the normal group-velocity dispersion (GVD) regime. Using a coupled-ring geometry in silicon nitride, we precisely control the wavelength location and splitting strength of avoided mode crossings to generate low-noise frequency combs with pump-to-comb conversion efficiencies of up to 41%, which is the highest reported to date for normal-GVD Kerr combs. Our technique enables on-demand generation of a high-power comb source for applications such as wavelength-division multiplexing in optical communications."},"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":"1907.07164","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-07-16T17:46:16Z","cross_cats_sorted":[],"title_canon_sha256":"88fcd292d6f965ee9b04fb79eb4e884db3785028306ec1978b0bdd80ec617320","abstract_canon_sha256":"951efe71d767c0b59299a2f52eb9900757b1aae2e7c4a4002dbe5c8120414c0b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:02:59.717551Z","signature_b64":"wBQfg0QK2HycjXtUcZYOkrLS9I6MQX3QG0pjYlIHw4u+C+m7HDA4SRzJNQyMfP1t1lQu0pSPogkkz53ZKOUWCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b39ba5ac77da72113b9919a67abd0123b9d8a9649193e6874e7d73e61e60bd7","last_reissued_at":"2026-07-05T00:02:59.717171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:02:59.717171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Turn-key, high-efficiency Kerr comb source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander L. Gaeta, Bok Young Kim, Chaitanya Joshi, Jae K. Jang, Mengjie Yu, Michal Lipson, Xingchen Ji, Yoshitomo Okawachi, Yun Zhao","submitted_at":"2019-07-16T17:46:16Z","abstract_excerpt":"We demonstrate an approach for automated Kerr comb generation in the normal group-velocity dispersion (GVD) regime. Using a coupled-ring geometry in silicon nitride, we precisely control the wavelength location and splitting strength of avoided mode crossings to generate low-noise frequency combs with pump-to-comb conversion efficiencies of up to 41%, which is the highest reported to date for normal-GVD Kerr combs. Our technique enables on-demand generation of a high-power comb source for applications such as wavelength-division multiplexing in optical communications."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07164","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/1907.07164/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":"1907.07164","created_at":"2026-07-05T00:02:59.717220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.07164v1","created_at":"2026-07-05T00:02:59.717220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07164","created_at":"2026-07-05T00:02:59.717220+00:00"},{"alias_kind":"pith_short_12","alias_value":"PM43UWWHPWTS","created_at":"2026-07-05T00:02:59.717220+00:00"},{"alias_kind":"pith_short_16","alias_value":"PM43UWWHPWTSCE5Z","created_at":"2026-07-05T00:02:59.717220+00:00"},{"alias_kind":"pith_short_8","alias_value":"PM43UWWH","created_at":"2026-07-05T00:02:59.717220+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/PM43UWWHPWTSCE5ZSGNGPK6QCI","json":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI.json","graph_json":"https://pith.science/api/pith-number/PM43UWWHPWTSCE5ZSGNGPK6QCI/graph.json","events_json":"https://pith.science/api/pith-number/PM43UWWHPWTSCE5ZSGNGPK6QCI/events.json","paper":"https://pith.science/paper/PM43UWWH"},"agent_actions":{"view_html":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI","download_json":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI.json","view_paper":"https://pith.science/paper/PM43UWWH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.07164&json=true","fetch_graph":"https://pith.science/api/pith-number/PM43UWWHPWTSCE5ZSGNGPK6QCI/graph.json","fetch_events":"https://pith.science/api/pith-number/PM43UWWHPWTSCE5ZSGNGPK6QCI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI/action/storage_attestation","attest_author":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI/action/author_attestation","sign_citation":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI/action/citation_signature","submit_replication":"https://pith.science/pith/PM43UWWHPWTSCE5ZSGNGPK6QCI/action/replication_record"}},"created_at":"2026-07-05T00:02:59.717220+00:00","updated_at":"2026-07-05T00:02:59.717220+00:00"}