{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:24PEBRZRXWKP36R36TIYLLMLOA","short_pith_number":"pith:24PEBRZR","schema_version":"1.0","canonical_sha256":"d71e40c731bd94fdfa3bf4d185ad8b7035a110c05b8a6f6509b672097c77c453","source":{"kind":"arxiv","id":"1109.0376","version":1},"attestation_state":"computed","paper":{"title":"Optical Cherenkov radiation by cascaded nonlinear interaction: an efficient source of few-cycle energetic near- to mid-IR pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"B.B. Zhou, F.W. Wise, J. Moses, M. Bache, O. Bang","submitted_at":"2011-09-02T07:46:58Z","abstract_excerpt":"When ultrafast noncritical cascaded second-harmonic generation of energetic femtosecond pulses occur in a bulk lithium niobate crystal optical Cherenkov waves are formed in the near- to mid-IR. Numerical simulations show that the few-cycle solitons radiate Cherenkov (dispersive) waves in the $\\lambda=2.2-4.5\\mic$ range when pumping at $\\lambda_1=1.2-1.8\\mic$. The exact phase-matching point depends on the soliton wavelength, and we show that a simple longpass filter can separate the Cherenkov waves from the solitons. The Cherenkov waves are born few-cycle with an excellent Gaussian pulse shape,"},"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":"1109.0376","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-09-02T07:46:58Z","cross_cats_sorted":[],"title_canon_sha256":"d765ebe92a6a21937014bf7950bc7cede33d86d5c4c5dc7b6850bde16d5c3b8e","abstract_canon_sha256":"05b308d287cfec66365d54465b17a4d255b67cf8f64b8e94f3f2aa7f848de36a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:11.922555Z","signature_b64":"WiLFU9W02h4XhTyRwKcQLx811nGmR8u8YVySw2JcikcHgcKSBc6wOFEXRSZ55E/+ieBjjBZ63vbvuGVRCJPHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d71e40c731bd94fdfa3bf4d185ad8b7035a110c05b8a6f6509b672097c77c453","last_reissued_at":"2026-05-18T04:10:11.921827Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:11.921827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Cherenkov radiation by cascaded nonlinear interaction: an efficient source of few-cycle energetic near- to mid-IR pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"B.B. Zhou, F.W. Wise, J. Moses, M. Bache, O. Bang","submitted_at":"2011-09-02T07:46:58Z","abstract_excerpt":"When ultrafast noncritical cascaded second-harmonic generation of energetic femtosecond pulses occur in a bulk lithium niobate crystal optical Cherenkov waves are formed in the near- to mid-IR. Numerical simulations show that the few-cycle solitons radiate Cherenkov (dispersive) waves in the $\\lambda=2.2-4.5\\mic$ range when pumping at $\\lambda_1=1.2-1.8\\mic$. The exact phase-matching point depends on the soliton wavelength, and we show that a simple longpass filter can separate the Cherenkov waves from the solitons. The Cherenkov waves are born few-cycle with an excellent Gaussian pulse shape,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0376","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":"1109.0376","created_at":"2026-05-18T04:10:11.921935+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.0376v1","created_at":"2026-05-18T04:10:11.921935+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0376","created_at":"2026-05-18T04:10:11.921935+00:00"},{"alias_kind":"pith_short_12","alias_value":"24PEBRZRXWKP","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"24PEBRZRXWKP36R3","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"24PEBRZR","created_at":"2026-05-18T12:26:18.847500+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/24PEBRZRXWKP36R36TIYLLMLOA","json":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA.json","graph_json":"https://pith.science/api/pith-number/24PEBRZRXWKP36R36TIYLLMLOA/graph.json","events_json":"https://pith.science/api/pith-number/24PEBRZRXWKP36R36TIYLLMLOA/events.json","paper":"https://pith.science/paper/24PEBRZR"},"agent_actions":{"view_html":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA","download_json":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA.json","view_paper":"https://pith.science/paper/24PEBRZR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.0376&json=true","fetch_graph":"https://pith.science/api/pith-number/24PEBRZRXWKP36R36TIYLLMLOA/graph.json","fetch_events":"https://pith.science/api/pith-number/24PEBRZRXWKP36R36TIYLLMLOA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA/action/storage_attestation","attest_author":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA/action/author_attestation","sign_citation":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA/action/citation_signature","submit_replication":"https://pith.science/pith/24PEBRZRXWKP36R36TIYLLMLOA/action/replication_record"}},"created_at":"2026-05-18T04:10:11.921935+00:00","updated_at":"2026-05-18T04:10:11.921935+00:00"}