{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:FHOEGCCC7FBWEW4MWSLIHNWT3E","short_pith_number":"pith:FHOEGCCC","schema_version":"1.0","canonical_sha256":"29dc430842f943625b8cb49683b6d3d9217e6c241777768c66ecf6185d21e36b","source":{"kind":"arxiv","id":"1406.1439","version":2},"attestation_state":"computed","paper":{"title":"Limitations to THz generation by optical rectification using tilted pulse fronts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Franz Kartner, Koustuban Ravi, Sergio Carbajo, Wenqian Ronny Huang, Xiaojun Wu","submitted_at":"2014-06-05T16:43:04Z","abstract_excerpt":"Terahertz (THz) generation by optical rectification (OR) using tilted-pulse-fronts is studied. One-dimensional (1-D) and 2-D spatial models, which simultaneously account for (i) the nonlinear coupled interaction of the THz and optical radiation, (ii) angular and material dispersion, (iii) absorption, iv) self-phase modulation and (v) stimulated Raman scattering are presented. We numerically show that the large experimentally observed cascaded frequency down-shift and spectral broadening (cascading effects) of the optical pump pulse is a direct consequence of THz generation. In the presence of "},"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":"1406.1439","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-06-05T16:43:04Z","cross_cats_sorted":[],"title_canon_sha256":"a03db29afd98f5a5a9d05213f0479469431d06c34b6d7570ab3e31b801c1d47c","abstract_canon_sha256":"9731c262d3b8e8dbad4a1175430bb587f1c5e4de1cb99124bb592e5cac9952ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:56.245243Z","signature_b64":"hSMvhkeqy7A8rMuC8dFq8Z7wA+sE+n0CqZBsLb/6x3aSJn4v0EGGQ1zRDzbJxlonc3OZZJUU9DKti+GvoD+5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29dc430842f943625b8cb49683b6d3d9217e6c241777768c66ecf6185d21e36b","last_reissued_at":"2026-05-18T02:44:56.244678Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:56.244678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Limitations to THz generation by optical rectification using tilted pulse fronts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Franz Kartner, Koustuban Ravi, Sergio Carbajo, Wenqian Ronny Huang, Xiaojun Wu","submitted_at":"2014-06-05T16:43:04Z","abstract_excerpt":"Terahertz (THz) generation by optical rectification (OR) using tilted-pulse-fronts is studied. One-dimensional (1-D) and 2-D spatial models, which simultaneously account for (i) the nonlinear coupled interaction of the THz and optical radiation, (ii) angular and material dispersion, (iii) absorption, iv) self-phase modulation and (v) stimulated Raman scattering are presented. We numerically show that the large experimentally observed cascaded frequency down-shift and spectral broadening (cascading effects) of the optical pump pulse is a direct consequence of THz generation. In the presence of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.1439","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":"1406.1439","created_at":"2026-05-18T02:44:56.244782+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.1439v2","created_at":"2026-05-18T02:44:56.244782+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.1439","created_at":"2026-05-18T02:44:56.244782+00:00"},{"alias_kind":"pith_short_12","alias_value":"FHOEGCCC7FBW","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_16","alias_value":"FHOEGCCC7FBWEW4M","created_at":"2026-05-18T12:28:28.263976+00:00"},{"alias_kind":"pith_short_8","alias_value":"FHOEGCCC","created_at":"2026-05-18T12:28:28.263976+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/FHOEGCCC7FBWEW4MWSLIHNWT3E","json":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E.json","graph_json":"https://pith.science/api/pith-number/FHOEGCCC7FBWEW4MWSLIHNWT3E/graph.json","events_json":"https://pith.science/api/pith-number/FHOEGCCC7FBWEW4MWSLIHNWT3E/events.json","paper":"https://pith.science/paper/FHOEGCCC"},"agent_actions":{"view_html":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E","download_json":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E.json","view_paper":"https://pith.science/paper/FHOEGCCC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.1439&json=true","fetch_graph":"https://pith.science/api/pith-number/FHOEGCCC7FBWEW4MWSLIHNWT3E/graph.json","fetch_events":"https://pith.science/api/pith-number/FHOEGCCC7FBWEW4MWSLIHNWT3E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E/action/storage_attestation","attest_author":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E/action/author_attestation","sign_citation":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E/action/citation_signature","submit_replication":"https://pith.science/pith/FHOEGCCC7FBWEW4MWSLIHNWT3E/action/replication_record"}},"created_at":"2026-05-18T02:44:56.244782+00:00","updated_at":"2026-05-18T02:44:56.244782+00:00"}