{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:FLXNMVGQBESRK3XBGA3J3AGC73","short_pith_number":"pith:FLXNMVGQ","schema_version":"1.0","canonical_sha256":"2aeed654d00925156ee130369d80c2fedb1aab8732f88fd2eccfa57e7d462d30","source":{"kind":"arxiv","id":"2206.01211","version":1},"attestation_state":"computed","paper":{"title":"Electrically pumped quantum-dot lasers grown on 300 mm patterned Si photonic wafers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"physics.optics","authors_text":"Andrew Clark, Chen Shang, David Harame, Eamonn T. Hughes, Gerald Leake, John E. Bowers, Joshua Herman, Kaiyin Feng, Mukul Debnath, Peter Ludewig, Rosalyn Koscica, Yating Wan","submitted_at":"2022-06-02T16:42:49Z","abstract_excerpt":"Monolithic integration of quantum dot (QD) gain materials onto Si photonic platforms via direct epitaxial growth is a promising solution for on-chip light sources. Recent developments have demonstrated superior device reliability in blanket hetero-epitaxy of III-V devices on Si at elevated temperatures. Yet, thick, defect management epi designs prevent vertical light coupling from the gain region to the Si-on-Insulator (SOI) waveguides. Here, we demonstrate the first electrically pumped QD lasers grown on a 300 mm patterned (001) Si wafer with a butt-coupled configuration by molecular beam epi"},"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":"2206.01211","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2022-06-02T16:42:49Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"ba85c68e971b99c8dcd1902a911ecccaf89e76f9428fa0f3a84a431002afd1a3","abstract_canon_sha256":"be8bc7218914d671d811c53931d4a7bd2ae87f5ce261f88e8ff9917420a4b30a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:28:45.284104Z","signature_b64":"fQQs16hwIK3i/+BuKGiETC7IsF/n4RNzYPF1M2gcTlFg4C0mayXgQABziGl6qmgonC8onmRrDuPBbItUW590DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2aeed654d00925156ee130369d80c2fedb1aab8732f88fd2eccfa57e7d462d30","last_reissued_at":"2026-07-05T04:28:45.283609Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:28:45.283609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electrically pumped quantum-dot lasers grown on 300 mm patterned Si photonic wafers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"physics.optics","authors_text":"Andrew Clark, Chen Shang, David Harame, Eamonn T. Hughes, Gerald Leake, John E. Bowers, Joshua Herman, Kaiyin Feng, Mukul Debnath, Peter Ludewig, Rosalyn Koscica, Yating Wan","submitted_at":"2022-06-02T16:42:49Z","abstract_excerpt":"Monolithic integration of quantum dot (QD) gain materials onto Si photonic platforms via direct epitaxial growth is a promising solution for on-chip light sources. Recent developments have demonstrated superior device reliability in blanket hetero-epitaxy of III-V devices on Si at elevated temperatures. Yet, thick, defect management epi designs prevent vertical light coupling from the gain region to the Si-on-Insulator (SOI) waveguides. Here, we demonstrate the first electrically pumped QD lasers grown on a 300 mm patterned (001) Si wafer with a butt-coupled configuration by molecular beam epi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.01211","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2206.01211/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2206.01211","created_at":"2026-07-05T04:28:45.283676+00:00"},{"alias_kind":"arxiv_version","alias_value":"2206.01211v1","created_at":"2026-07-05T04:28:45.283676+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.01211","created_at":"2026-07-05T04:28:45.283676+00:00"},{"alias_kind":"pith_short_12","alias_value":"FLXNMVGQBESR","created_at":"2026-07-05T04:28:45.283676+00:00"},{"alias_kind":"pith_short_16","alias_value":"FLXNMVGQBESRK3XB","created_at":"2026-07-05T04:28:45.283676+00:00"},{"alias_kind":"pith_short_8","alias_value":"FLXNMVGQ","created_at":"2026-07-05T04:28:45.283676+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/FLXNMVGQBESRK3XBGA3J3AGC73","json":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73.json","graph_json":"https://pith.science/api/pith-number/FLXNMVGQBESRK3XBGA3J3AGC73/graph.json","events_json":"https://pith.science/api/pith-number/FLXNMVGQBESRK3XBGA3J3AGC73/events.json","paper":"https://pith.science/paper/FLXNMVGQ"},"agent_actions":{"view_html":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73","download_json":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73.json","view_paper":"https://pith.science/paper/FLXNMVGQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2206.01211&json=true","fetch_graph":"https://pith.science/api/pith-number/FLXNMVGQBESRK3XBGA3J3AGC73/graph.json","fetch_events":"https://pith.science/api/pith-number/FLXNMVGQBESRK3XBGA3J3AGC73/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73/action/storage_attestation","attest_author":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73/action/author_attestation","sign_citation":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73/action/citation_signature","submit_replication":"https://pith.science/pith/FLXNMVGQBESRK3XBGA3J3AGC73/action/replication_record"}},"created_at":"2026-07-05T04:28:45.283676+00:00","updated_at":"2026-07-05T04:28:45.283676+00:00"}