{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:4FYNVNFBQOAXB33TAHLV4K5GIM","short_pith_number":"pith:4FYNVNFB","schema_version":"1.0","canonical_sha256":"e170dab4a1838170ef7301d75e2ba643026420841e0d60a14430c98bc44141b3","source":{"kind":"arxiv","id":"0911.0097","version":3},"attestation_state":"computed","paper":{"title":"Self-referenced characterization of optical frequency combs and arbitrary waveforms using a simple, linear, zero-delay implementation of spectral shearing interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Andrew M. Weiner, Christopher M. Long, Daniel E. Leaird, V. R. Supradeepa","submitted_at":"2009-10-31T17:20:29Z","abstract_excerpt":"We discuss a simple, linear, zero-delay implementation of spectral shearing interferometry for amplitude and phase characterization of optical frequency comb sources and arbitrary waveforms. We demonstrate this technique by characterizing two different high repetition rate (~10 GHz) frequency comb sources, generated respectively by strong external and intracavity phase modulation of a continuous-wave laser. This technique is easy to implement, requiring only an intensity modulator and an optical spectrum analyzer (OSA), and is demonstrated to work at average power levels down to 100nW (10aJ/pu"},"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":"0911.0097","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-10-31T17:20:29Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"c25d0034f66dd0a992260e5a8337f31142c56c1a4f9a4840c8e35ff42886d7bf","abstract_canon_sha256":"963bbcbe517223a7cb506a08bd5b2b04c96f19af5d39921e8ce0ba7006a3a098"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:01.776915Z","signature_b64":"WZs91/xrsJ91p2tfHmiBGNS/GNg5dUL55+PX84jwsD8EyGbCmZM8T0QXl0TqHvcyF+lAi6MEDQ5CCcRv+hZPBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e170dab4a1838170ef7301d75e2ba643026420841e0d60a14430c98bc44141b3","last_reissued_at":"2026-05-18T04:25:01.776522Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:01.776522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Self-referenced characterization of optical frequency combs and arbitrary waveforms using a simple, linear, zero-delay implementation of spectral shearing interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.optics","authors_text":"Andrew M. Weiner, Christopher M. Long, Daniel E. Leaird, V. R. Supradeepa","submitted_at":"2009-10-31T17:20:29Z","abstract_excerpt":"We discuss a simple, linear, zero-delay implementation of spectral shearing interferometry for amplitude and phase characterization of optical frequency comb sources and arbitrary waveforms. We demonstrate this technique by characterizing two different high repetition rate (~10 GHz) frequency comb sources, generated respectively by strong external and intracavity phase modulation of a continuous-wave laser. This technique is easy to implement, requiring only an intensity modulator and an optical spectrum analyzer (OSA), and is demonstrated to work at average power levels down to 100nW (10aJ/pu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0097","kind":"arxiv","version":3},"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":"0911.0097","created_at":"2026-05-18T04:25:01.776580+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.0097v3","created_at":"2026-05-18T04:25:01.776580+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0097","created_at":"2026-05-18T04:25:01.776580+00:00"},{"alias_kind":"pith_short_12","alias_value":"4FYNVNFBQOAX","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"4FYNVNFBQOAXB33T","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"4FYNVNFB","created_at":"2026-05-18T12:25:58.837520+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/4FYNVNFBQOAXB33TAHLV4K5GIM","json":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM.json","graph_json":"https://pith.science/api/pith-number/4FYNVNFBQOAXB33TAHLV4K5GIM/graph.json","events_json":"https://pith.science/api/pith-number/4FYNVNFBQOAXB33TAHLV4K5GIM/events.json","paper":"https://pith.science/paper/4FYNVNFB"},"agent_actions":{"view_html":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM","download_json":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM.json","view_paper":"https://pith.science/paper/4FYNVNFB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.0097&json=true","fetch_graph":"https://pith.science/api/pith-number/4FYNVNFBQOAXB33TAHLV4K5GIM/graph.json","fetch_events":"https://pith.science/api/pith-number/4FYNVNFBQOAXB33TAHLV4K5GIM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM/action/storage_attestation","attest_author":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM/action/author_attestation","sign_citation":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM/action/citation_signature","submit_replication":"https://pith.science/pith/4FYNVNFBQOAXB33TAHLV4K5GIM/action/replication_record"}},"created_at":"2026-05-18T04:25:01.776580+00:00","updated_at":"2026-05-18T04:25:01.776580+00:00"}