{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:2B77F3TPEVDKLZJ32KARF2ON4D","short_pith_number":"pith:2B77F3TP","schema_version":"1.0","canonical_sha256":"d07ff2ee6f2546a5e53bd28112e9cde0d98991bae9960ef35e8e37c346beb437","source":{"kind":"arxiv","id":"1409.8182","version":1},"attestation_state":"computed","paper":{"title":"Graphene as Gain Medium for Broadband Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas Knorr, Ermin Malic, Roland Jago, Torben Winzer","submitted_at":"2014-09-29T16:41:41Z","abstract_excerpt":"In contrast to conventional structures, efficient non-radiative carrier recombination counteracts the appearance of optical gain in graphene. Based on a microscopic and fully quantum-mechanical study of the coupled carrier, phonon, and photon dynamics in graphene, we present a strategy to obtain a long-lived gain: Integrating graphene into a photonic crystal nanocavity and applying a high-dielectric substrate gives rise to pronounced coherent light emission suggesting the design of graphene-based laser devices covering a broad spectral range."},"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":"1409.8182","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-29T16:41:41Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ba7fb7e88a0a88e2c026328224310bdf1391a7e55c02d215fc82e61603ba5032","abstract_canon_sha256":"ea3e0d561e6cd199ce24e65334aefdc5a559a280b5dca24515a6bfd6ff94fa64"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:32.818277Z","signature_b64":"+deNYf7XSpg8x9Ya3Q9x7oMTxAZEykZCGjBwGmhokpIrw5Uu9/+OnCueC36hiJaceYRV+ZRz93+Dj3A+IJCzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d07ff2ee6f2546a5e53bd28112e9cde0d98991bae9960ef35e8e37c346beb437","last_reissued_at":"2026-05-18T01:35:32.817735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:32.817735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Graphene as Gain Medium for Broadband Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas Knorr, Ermin Malic, Roland Jago, Torben Winzer","submitted_at":"2014-09-29T16:41:41Z","abstract_excerpt":"In contrast to conventional structures, efficient non-radiative carrier recombination counteracts the appearance of optical gain in graphene. Based on a microscopic and fully quantum-mechanical study of the coupled carrier, phonon, and photon dynamics in graphene, we present a strategy to obtain a long-lived gain: Integrating graphene into a photonic crystal nanocavity and applying a high-dielectric substrate gives rise to pronounced coherent light emission suggesting the design of graphene-based laser devices covering a broad spectral range."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.8182","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":"1409.8182","created_at":"2026-05-18T01:35:32.817824+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.8182v1","created_at":"2026-05-18T01:35:32.817824+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.8182","created_at":"2026-05-18T01:35:32.817824+00:00"},{"alias_kind":"pith_short_12","alias_value":"2B77F3TPEVDK","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"2B77F3TPEVDKLZJ3","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"2B77F3TP","created_at":"2026-05-18T12:28:09.283467+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/2B77F3TPEVDKLZJ32KARF2ON4D","json":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D.json","graph_json":"https://pith.science/api/pith-number/2B77F3TPEVDKLZJ32KARF2ON4D/graph.json","events_json":"https://pith.science/api/pith-number/2B77F3TPEVDKLZJ32KARF2ON4D/events.json","paper":"https://pith.science/paper/2B77F3TP"},"agent_actions":{"view_html":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D","download_json":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D.json","view_paper":"https://pith.science/paper/2B77F3TP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.8182&json=true","fetch_graph":"https://pith.science/api/pith-number/2B77F3TPEVDKLZJ32KARF2ON4D/graph.json","fetch_events":"https://pith.science/api/pith-number/2B77F3TPEVDKLZJ32KARF2ON4D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D/action/storage_attestation","attest_author":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D/action/author_attestation","sign_citation":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D/action/citation_signature","submit_replication":"https://pith.science/pith/2B77F3TPEVDKLZJ32KARF2ON4D/action/replication_record"}},"created_at":"2026-05-18T01:35:32.817824+00:00","updated_at":"2026-05-18T01:35:32.817824+00:00"}