{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:SAYHD4G7ME7F7IMTXQTQRK33PW","short_pith_number":"pith:SAYHD4G7","schema_version":"1.0","canonical_sha256":"903071f0df613e5fa193bc2708ab7b7da5b9d38f40ec2ec0015f07f3f2e115d0","source":{"kind":"arxiv","id":"1908.09581","version":2},"attestation_state":"computed","paper":{"title":"Full 3D+1 modelling of the tilted-pulse-front setups for single-cycle terahertz generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Franz Kaertner, Lu Wang, Nicholas H. Matlis, Tobias Kroh","submitted_at":"2019-08-26T10:20:57Z","abstract_excerpt":"The tilted-pulse-front setup utilizing a diffraction grating is one of the most successful methods to generate single- to few-cycle terahertz pulses. However, the generated terahertz pulses have a large spatial inhomogeneity, due to the noncollinear phase matching condition and the asymmetry of the prism-shaped nonlinear crystal geometry, especially when pushing for high optical-to-terahertz conversion efficiency. A 3D+1 (x,y,z,t) numerical model is necessary in order to fully investigate the terahertz generation problem in the tilted-pulse-front scheme. We compare in detail the differences be"},"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":"1908.09581","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-08-26T10:20:57Z","cross_cats_sorted":[],"title_canon_sha256":"1394595d496fd61f32d5226ff7920b7d14ec9974758690f38a6ecb674e911123","abstract_canon_sha256":"4e4cdaafe407dcdb9b535c525e2c6dd33557842f0faec1b0da74e3dff4884d63"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:57:07.839597Z","signature_b64":"74AF9PNHDr+H2bMxzWyiWlwp785WDgtOG82BIu+Kc3+62ZDph3fMG71GsbyGtnO9GOytGgUQlFYhexwpnYZ/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"903071f0df613e5fa193bc2708ab7b7da5b9d38f40ec2ec0015f07f3f2e115d0","last_reissued_at":"2026-07-05T00:57:07.839250Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:57:07.839250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Full 3D+1 modelling of the tilted-pulse-front setups for single-cycle terahertz generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Franz Kaertner, Lu Wang, Nicholas H. Matlis, Tobias Kroh","submitted_at":"2019-08-26T10:20:57Z","abstract_excerpt":"The tilted-pulse-front setup utilizing a diffraction grating is one of the most successful methods to generate single- to few-cycle terahertz pulses. However, the generated terahertz pulses have a large spatial inhomogeneity, due to the noncollinear phase matching condition and the asymmetry of the prism-shaped nonlinear crystal geometry, especially when pushing for high optical-to-terahertz conversion efficiency. A 3D+1 (x,y,z,t) numerical model is necessary in order to fully investigate the terahertz generation problem in the tilted-pulse-front scheme. We compare in detail the differences be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.09581","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.09581/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":"1908.09581","created_at":"2026-07-05T00:57:07.839305+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.09581v2","created_at":"2026-07-05T00:57:07.839305+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.09581","created_at":"2026-07-05T00:57:07.839305+00:00"},{"alias_kind":"pith_short_12","alias_value":"SAYHD4G7ME7F","created_at":"2026-07-05T00:57:07.839305+00:00"},{"alias_kind":"pith_short_16","alias_value":"SAYHD4G7ME7F7IMT","created_at":"2026-07-05T00:57:07.839305+00:00"},{"alias_kind":"pith_short_8","alias_value":"SAYHD4G7","created_at":"2026-07-05T00:57:07.839305+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/SAYHD4G7ME7F7IMTXQTQRK33PW","json":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW.json","graph_json":"https://pith.science/api/pith-number/SAYHD4G7ME7F7IMTXQTQRK33PW/graph.json","events_json":"https://pith.science/api/pith-number/SAYHD4G7ME7F7IMTXQTQRK33PW/events.json","paper":"https://pith.science/paper/SAYHD4G7"},"agent_actions":{"view_html":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW","download_json":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW.json","view_paper":"https://pith.science/paper/SAYHD4G7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.09581&json=true","fetch_graph":"https://pith.science/api/pith-number/SAYHD4G7ME7F7IMTXQTQRK33PW/graph.json","fetch_events":"https://pith.science/api/pith-number/SAYHD4G7ME7F7IMTXQTQRK33PW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW/action/storage_attestation","attest_author":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW/action/author_attestation","sign_citation":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW/action/citation_signature","submit_replication":"https://pith.science/pith/SAYHD4G7ME7F7IMTXQTQRK33PW/action/replication_record"}},"created_at":"2026-07-05T00:57:07.839305+00:00","updated_at":"2026-07-05T00:57:07.839305+00:00"}