{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:PWPQT2O7S7OSOPFD5KZEW3FC7G","short_pith_number":"pith:PWPQT2O7","schema_version":"1.0","canonical_sha256":"7d9f09e9df97dd273ca3eab24b6ca2f98a1b210c75ed51f43e8ea001401ae014","source":{"kind":"arxiv","id":"1512.04305","version":2},"attestation_state":"computed","paper":{"title":"Omnidirectional and broadband absorption enhancement from trapezoidal Mie resonators in semiconductor metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Harry A. Atwater, Koray Aydin, Ragip A. Pala, Serkan Butun","submitted_at":"2015-12-14T13:36:47Z","abstract_excerpt":"Light trapping in planar ultrathin-film solar cells is limited due to a small number of optical modes available in the thin-film slab. A nanostructured thin-film design could surpass this limit by providing broadband increase in the local density of states in a subwavelength volume and maintaining efficient coupling of light. Here we report a broadband metasurface design, enabling efficient and broadband absorption enhancement by direct coupling of incoming light to resonant modes of subwavelength-scale Mie nanoresonators defined in the thin-film active layer. Absorption was investigated both "},"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":"1512.04305","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-12-14T13:36:47Z","cross_cats_sorted":[],"title_canon_sha256":"61495092992267dbfc30d766bed5611d8c752dde326bdd2a28386d7955861c1a","abstract_canon_sha256":"55f7da82c59b41b2b4b8adfe0566e7886b876461f73a89e929ff09d84bbc7d46"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:21.902749Z","signature_b64":"+kb5ZooegK8ZjGqUuO4D1ol404wBTI6ET9vLPr6wda1vzEnxg0AHNjMf3z6XSvVUIQBwBQuF/Q9lFjHDwXewAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d9f09e9df97dd273ca3eab24b6ca2f98a1b210c75ed51f43e8ea001401ae014","last_reissued_at":"2026-05-18T01:04:21.902159Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:21.902159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Omnidirectional and broadband absorption enhancement from trapezoidal Mie resonators in semiconductor metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Harry A. Atwater, Koray Aydin, Ragip A. Pala, Serkan Butun","submitted_at":"2015-12-14T13:36:47Z","abstract_excerpt":"Light trapping in planar ultrathin-film solar cells is limited due to a small number of optical modes available in the thin-film slab. A nanostructured thin-film design could surpass this limit by providing broadband increase in the local density of states in a subwavelength volume and maintaining efficient coupling of light. Here we report a broadband metasurface design, enabling efficient and broadband absorption enhancement by direct coupling of incoming light to resonant modes of subwavelength-scale Mie nanoresonators defined in the thin-film active layer. Absorption was investigated both "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.04305","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":"1512.04305","created_at":"2026-05-18T01:04:21.902228+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.04305v2","created_at":"2026-05-18T01:04:21.902228+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.04305","created_at":"2026-05-18T01:04:21.902228+00:00"},{"alias_kind":"pith_short_12","alias_value":"PWPQT2O7S7OS","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_16","alias_value":"PWPQT2O7S7OSOPFD","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_8","alias_value":"PWPQT2O7","created_at":"2026-05-18T12:29:37.295048+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/PWPQT2O7S7OSOPFD5KZEW3FC7G","json":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G.json","graph_json":"https://pith.science/api/pith-number/PWPQT2O7S7OSOPFD5KZEW3FC7G/graph.json","events_json":"https://pith.science/api/pith-number/PWPQT2O7S7OSOPFD5KZEW3FC7G/events.json","paper":"https://pith.science/paper/PWPQT2O7"},"agent_actions":{"view_html":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G","download_json":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G.json","view_paper":"https://pith.science/paper/PWPQT2O7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.04305&json=true","fetch_graph":"https://pith.science/api/pith-number/PWPQT2O7S7OSOPFD5KZEW3FC7G/graph.json","fetch_events":"https://pith.science/api/pith-number/PWPQT2O7S7OSOPFD5KZEW3FC7G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G/action/storage_attestation","attest_author":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G/action/author_attestation","sign_citation":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G/action/citation_signature","submit_replication":"https://pith.science/pith/PWPQT2O7S7OSOPFD5KZEW3FC7G/action/replication_record"}},"created_at":"2026-05-18T01:04:21.902228+00:00","updated_at":"2026-05-18T01:04:21.902228+00:00"}