{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:NQBMWUCRO2X3J34FALRLK6ZMMZ","short_pith_number":"pith:NQBMWUCR","schema_version":"1.0","canonical_sha256":"6c02cb505176afb4ef8502e2b57b2c667b3282adc141b8c3fc11b82cec9b9cc0","source":{"kind":"arxiv","id":"1403.2107","version":2},"attestation_state":"computed","paper":{"title":"Ultrafast all-optical switching via coherent modulation of metamaterial absorption","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Din Ping Tsai, Jun-Yu Ou, Kevin F. MacDonald, Ming Lun Tseng, Nikolay I. Zheludev, Xu Fang","submitted_at":"2014-03-09T21:45:31Z","abstract_excerpt":"We report on the demonstration of a femtosecond all-optical modulator providing, without nonlinearity and therefore at arbitrarily low intensity, ultrafast light-by-light control. The device engages the coherent interaction of optical waves on a metamaterial nanostructure only 30 nm thick to efficiently control absorption of near-infrared (750-1040 nm) femtosecond pulses, providing switching contrast ratios approaching 3:1 with a modulation bandwidth in excess of 2 THz. The functional paradigm illustrated here opens the path to a family of novel meta-devices for ultra-fast optical data process"},"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":"1403.2107","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-03-09T21:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"856114ed488eb72c7390ab36d31e76f2c6d63b27c76b57412d2813d093c142f0","abstract_canon_sha256":"71920dc74f5a6d3312767dee29b861bf23f72edb55192b2f777da1bb27b9a9d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:22.886945Z","signature_b64":"SSS11H7IYzXhXQB7sRzVExYZzehNfXkDStibnmnCIlaXVhDhz6rLN9dXM9rZFmIWCH22c3gQRI1AUoWE9f2ABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c02cb505176afb4ef8502e2b57b2c667b3282adc141b8c3fc11b82cec9b9cc0","last_reissued_at":"2026-05-18T02:54:22.886562Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:22.886562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultrafast all-optical switching via coherent modulation of metamaterial absorption","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Din Ping Tsai, Jun-Yu Ou, Kevin F. MacDonald, Ming Lun Tseng, Nikolay I. Zheludev, Xu Fang","submitted_at":"2014-03-09T21:45:31Z","abstract_excerpt":"We report on the demonstration of a femtosecond all-optical modulator providing, without nonlinearity and therefore at arbitrarily low intensity, ultrafast light-by-light control. The device engages the coherent interaction of optical waves on a metamaterial nanostructure only 30 nm thick to efficiently control absorption of near-infrared (750-1040 nm) femtosecond pulses, providing switching contrast ratios approaching 3:1 with a modulation bandwidth in excess of 2 THz. The functional paradigm illustrated here opens the path to a family of novel meta-devices for ultra-fast optical data process"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2107","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":"1403.2107","created_at":"2026-05-18T02:54:22.886621+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.2107v2","created_at":"2026-05-18T02:54:22.886621+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2107","created_at":"2026-05-18T02:54:22.886621+00:00"},{"alias_kind":"pith_short_12","alias_value":"NQBMWUCRO2X3","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"NQBMWUCRO2X3J34F","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"NQBMWUCR","created_at":"2026-05-18T12:28:41.024544+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/NQBMWUCRO2X3J34FALRLK6ZMMZ","json":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ.json","graph_json":"https://pith.science/api/pith-number/NQBMWUCRO2X3J34FALRLK6ZMMZ/graph.json","events_json":"https://pith.science/api/pith-number/NQBMWUCRO2X3J34FALRLK6ZMMZ/events.json","paper":"https://pith.science/paper/NQBMWUCR"},"agent_actions":{"view_html":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ","download_json":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ.json","view_paper":"https://pith.science/paper/NQBMWUCR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.2107&json=true","fetch_graph":"https://pith.science/api/pith-number/NQBMWUCRO2X3J34FALRLK6ZMMZ/graph.json","fetch_events":"https://pith.science/api/pith-number/NQBMWUCRO2X3J34FALRLK6ZMMZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ/action/storage_attestation","attest_author":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ/action/author_attestation","sign_citation":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ/action/citation_signature","submit_replication":"https://pith.science/pith/NQBMWUCRO2X3J34FALRLK6ZMMZ/action/replication_record"}},"created_at":"2026-05-18T02:54:22.886621+00:00","updated_at":"2026-05-18T02:54:22.886621+00:00"}