{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:A5ARSPJYXW7RPKD22HTH6M4VPM","short_pith_number":"pith:A5ARSPJY","schema_version":"1.0","canonical_sha256":"0741193d38bdbf17a87ad1e67f33957b32d83f359a99a2cc377d3c759ccb5644","source":{"kind":"arxiv","id":"1506.00626","version":2},"attestation_state":"computed","paper":{"title":"Quantum cascade laser Kerr frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Caroline Lecaplain, Cl\\'ement Javerzac-Galy, Erwan Lucas, John D. Jost, Tobias J. Kippenberg","submitted_at":"2015-06-01T19:54:35Z","abstract_excerpt":"The mid-infrared (mid-IR) regime (typically the wavelength regime of $\\lambda \\sim 2.5-20 \\ \\mathrm{\\mu m}$) is an important spectral range for spectroscopy as many molecules have their fundamental rotational-vibrational absorption in this band. Recently optical frequency combs based on optical microresonators (\"Kerr\" combs) at the onset of the mid-IR region have been generated using crystalline resonators and integrated planar silicon micro-resonators. Here we extend for the first time Kerr combs deep into the mid-IR i.e. the 'molecular fingerprint' region. This is achieved by combining an ul"},"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":"1506.00626","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-06-01T19:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"cecdad3fe7eddd00b86119e0df1685fb5f0959de191de8863d74fee4a2bcd247","abstract_canon_sha256":"8c3aad96aa4375f62e5c1e6055074da1a4fc5e9e0e5890678ab21d5fb3c7dff9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:14.583685Z","signature_b64":"WPvkBIjI0R9WG2fkM05jR4ckHFPvQDWsYsbbaZtPXQR2uBQ+3iPTpFULs0XmIgnMoqIFbjXOqUhHQ5KREo/PDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0741193d38bdbf17a87ad1e67f33957b32d83f359a99a2cc377d3c759ccb5644","last_reissued_at":"2026-05-18T01:18:14.583149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:14.583149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum cascade laser Kerr frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Caroline Lecaplain, Cl\\'ement Javerzac-Galy, Erwan Lucas, John D. Jost, Tobias J. Kippenberg","submitted_at":"2015-06-01T19:54:35Z","abstract_excerpt":"The mid-infrared (mid-IR) regime (typically the wavelength regime of $\\lambda \\sim 2.5-20 \\ \\mathrm{\\mu m}$) is an important spectral range for spectroscopy as many molecules have their fundamental rotational-vibrational absorption in this band. Recently optical frequency combs based on optical microresonators (\"Kerr\" combs) at the onset of the mid-IR region have been generated using crystalline resonators and integrated planar silicon micro-resonators. Here we extend for the first time Kerr combs deep into the mid-IR i.e. the 'molecular fingerprint' region. This is achieved by combining an ul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.00626","kind":"arxiv","version":2},"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":"1506.00626","created_at":"2026-05-18T01:18:14.583228+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.00626v2","created_at":"2026-05-18T01:18:14.583228+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.00626","created_at":"2026-05-18T01:18:14.583228+00:00"},{"alias_kind":"pith_short_12","alias_value":"A5ARSPJYXW7R","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"A5ARSPJYXW7RPKD2","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"A5ARSPJY","created_at":"2026-05-18T12:29:10.953037+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/A5ARSPJYXW7RPKD22HTH6M4VPM","json":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM.json","graph_json":"https://pith.science/api/pith-number/A5ARSPJYXW7RPKD22HTH6M4VPM/graph.json","events_json":"https://pith.science/api/pith-number/A5ARSPJYXW7RPKD22HTH6M4VPM/events.json","paper":"https://pith.science/paper/A5ARSPJY"},"agent_actions":{"view_html":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM","download_json":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM.json","view_paper":"https://pith.science/paper/A5ARSPJY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.00626&json=true","fetch_graph":"https://pith.science/api/pith-number/A5ARSPJYXW7RPKD22HTH6M4VPM/graph.json","fetch_events":"https://pith.science/api/pith-number/A5ARSPJYXW7RPKD22HTH6M4VPM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM/action/storage_attestation","attest_author":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM/action/author_attestation","sign_citation":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM/action/citation_signature","submit_replication":"https://pith.science/pith/A5ARSPJYXW7RPKD22HTH6M4VPM/action/replication_record"}},"created_at":"2026-05-18T01:18:14.583228+00:00","updated_at":"2026-05-18T01:18:14.583228+00:00"}