{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5WYW2LMTSPUUDBID4DPQS2O4OK","short_pith_number":"pith:5WYW2LMT","schema_version":"1.0","canonical_sha256":"edb16d2d9393e9418503e0df0969dc7287b544602da585c8583714d1b469d305","source":{"kind":"arxiv","id":"1502.07435","version":1},"attestation_state":"computed","paper":{"title":"Tunable mid-infrared coherent perfect absorption in a graphene meta-surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Changzhi Gu, Fuli Zhang, Hongqiang Li, Junjie Li, Qian Zhao, Quanhong Fu, Yuancheng Fan, Zeyong Wei, Zhe Liu","submitted_at":"2015-02-26T05:02:46Z","abstract_excerpt":"We exploited graphene nanoribbons based meta-surface to realize coherent perfect absorption (CPA) in the mid-infrared regime. It was shown that quasi-CPA frequencies, at which CPA can be demonstrated with proper phase modulations, exist for the graphene meta-surface with strong resonant behaviors. The CPA can be tuned substantially by merging the geometric design of the meta-surface and the electrical tunability of graphene. Furthermore, we found that the graphene nanoribbon meta-surface based CPA is realizable with experimental graphene data. The findings of CPA with graphene meta-surface can"},"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":"1502.07435","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2015-02-26T05:02:46Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"5f4e59877d1e63194129f0753b7f4564cd95e4c579625495107c4e87a5d701ab","abstract_canon_sha256":"34b663062bc13fdca0b379e22bf36334bc743a3562b728a3d35a3d8e93febe85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:10.511003Z","signature_b64":"i+wrxLSnrRziFOgblQDof07VWU/pNvM4+9bToAIcKT0z3M5kxJNGJf0GAlndeLj7TuDsXufnkEyl4GUQS9TAAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edb16d2d9393e9418503e0df0969dc7287b544602da585c8583714d1b469d305","last_reissued_at":"2026-05-18T01:32:10.510300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:10.510300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tunable mid-infrared coherent perfect absorption in a graphene meta-surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"physics.optics","authors_text":"Changzhi Gu, Fuli Zhang, Hongqiang Li, Junjie Li, Qian Zhao, Quanhong Fu, Yuancheng Fan, Zeyong Wei, Zhe Liu","submitted_at":"2015-02-26T05:02:46Z","abstract_excerpt":"We exploited graphene nanoribbons based meta-surface to realize coherent perfect absorption (CPA) in the mid-infrared regime. It was shown that quasi-CPA frequencies, at which CPA can be demonstrated with proper phase modulations, exist for the graphene meta-surface with strong resonant behaviors. The CPA can be tuned substantially by merging the geometric design of the meta-surface and the electrical tunability of graphene. Furthermore, we found that the graphene nanoribbon meta-surface based CPA is realizable with experimental graphene data. The findings of CPA with graphene meta-surface can"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07435","kind":"arxiv","version":1},"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":"1502.07435","created_at":"2026-05-18T01:32:10.510421+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.07435v1","created_at":"2026-05-18T01:32:10.510421+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07435","created_at":"2026-05-18T01:32:10.510421+00:00"},{"alias_kind":"pith_short_12","alias_value":"5WYW2LMTSPUU","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"5WYW2LMTSPUUDBID","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"5WYW2LMT","created_at":"2026-05-18T12:29:07.941421+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/5WYW2LMTSPUUDBID4DPQS2O4OK","json":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK.json","graph_json":"https://pith.science/api/pith-number/5WYW2LMTSPUUDBID4DPQS2O4OK/graph.json","events_json":"https://pith.science/api/pith-number/5WYW2LMTSPUUDBID4DPQS2O4OK/events.json","paper":"https://pith.science/paper/5WYW2LMT"},"agent_actions":{"view_html":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK","download_json":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK.json","view_paper":"https://pith.science/paper/5WYW2LMT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.07435&json=true","fetch_graph":"https://pith.science/api/pith-number/5WYW2LMTSPUUDBID4DPQS2O4OK/graph.json","fetch_events":"https://pith.science/api/pith-number/5WYW2LMTSPUUDBID4DPQS2O4OK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK/action/storage_attestation","attest_author":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK/action/author_attestation","sign_citation":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK/action/citation_signature","submit_replication":"https://pith.science/pith/5WYW2LMTSPUUDBID4DPQS2O4OK/action/replication_record"}},"created_at":"2026-05-18T01:32:10.510421+00:00","updated_at":"2026-05-18T01:32:10.510421+00:00"}