{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:IFQRRP7VFQSEA6YUVHNXIZEWRU","short_pith_number":"pith:IFQRRP7V","schema_version":"1.0","canonical_sha256":"416118bff52c24407b14a9db7464968d07deb6efde702c13b94c3ab2c18efd5d","source":{"kind":"arxiv","id":"2606.22626","version":1},"attestation_state":"computed","paper":{"title":"Integrated Whispering-Gallery Microlaser-Waveguide Platform for On-Chip Electrical Excitation of InGaAs Quantum Dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Chirag C. Palekar, L\\'eo J. Roche, Monika Emmerling, Peter Gschwandtner, Setthanat Wijitpatima, Stephan Reitzenstein, Sven H\\\"ofling, Tobias Huber-Loyola, Yuhui Yang","submitted_at":"2026-06-21T18:09:47Z","abstract_excerpt":"We report the fabrication and characterization of an integrated quantum photonic device consisting of an electrically driven whispering-gallery-mode micropillar laser evanescently coupled to a ridge waveguide, both incorporating InGaAs quantum dots (QDs). The lasing characteristics of microlasers are systematically investigated as a function of the pillar-waveguide gap distance. Coherent emission from the whispering-gallery-mode microlaser coupled into the waveguide enables on-chip optical excitation of QDs embedded in an electrically contacted micropillar at the end of the waveguide. Under co"},"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":"2606.22626","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-06-21T18:09:47Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"465791dace99bd5043e9729fbbe12a46a0ac201e73740eec696efc85b233b00e","abstract_canon_sha256":"6d706e7cabbc984f12484a5fee6833dd9b09db101e2d02b4b6b95f2f1bfec282"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:43.429975Z","signature_b64":"0ItM/Itz/MFTPHQAGTA9zau1WChfFRa0VWehNxv/EWiQ1THOvwJSbeHOSTrbrUalIO9BICllK7yd6BX6No8ECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"416118bff52c24407b14a9db7464968d07deb6efde702c13b94c3ab2c18efd5d","last_reissued_at":"2026-06-23T02:13:43.429576Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:43.429576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Integrated Whispering-Gallery Microlaser-Waveguide Platform for On-Chip Electrical Excitation of InGaAs Quantum Dots","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.optics","authors_text":"Chirag C. Palekar, L\\'eo J. Roche, Monika Emmerling, Peter Gschwandtner, Setthanat Wijitpatima, Stephan Reitzenstein, Sven H\\\"ofling, Tobias Huber-Loyola, Yuhui Yang","submitted_at":"2026-06-21T18:09:47Z","abstract_excerpt":"We report the fabrication and characterization of an integrated quantum photonic device consisting of an electrically driven whispering-gallery-mode micropillar laser evanescently coupled to a ridge waveguide, both incorporating InGaAs quantum dots (QDs). The lasing characteristics of microlasers are systematically investigated as a function of the pillar-waveguide gap distance. Coherent emission from the whispering-gallery-mode microlaser coupled into the waveguide enables on-chip optical excitation of QDs embedded in an electrically contacted micropillar at the end of the waveguide. Under co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.22626","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/2606.22626/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":"2606.22626","created_at":"2026-06-23T02:13:43.429640+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.22626v1","created_at":"2026-06-23T02:13:43.429640+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.22626","created_at":"2026-06-23T02:13:43.429640+00:00"},{"alias_kind":"pith_short_12","alias_value":"IFQRRP7VFQSE","created_at":"2026-06-23T02:13:43.429640+00:00"},{"alias_kind":"pith_short_16","alias_value":"IFQRRP7VFQSEA6YU","created_at":"2026-06-23T02:13:43.429640+00:00"},{"alias_kind":"pith_short_8","alias_value":"IFQRRP7V","created_at":"2026-06-23T02:13:43.429640+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/IFQRRP7VFQSEA6YUVHNXIZEWRU","json":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU.json","graph_json":"https://pith.science/api/pith-number/IFQRRP7VFQSEA6YUVHNXIZEWRU/graph.json","events_json":"https://pith.science/api/pith-number/IFQRRP7VFQSEA6YUVHNXIZEWRU/events.json","paper":"https://pith.science/paper/IFQRRP7V"},"agent_actions":{"view_html":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU","download_json":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU.json","view_paper":"https://pith.science/paper/IFQRRP7V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.22626&json=true","fetch_graph":"https://pith.science/api/pith-number/IFQRRP7VFQSEA6YUVHNXIZEWRU/graph.json","fetch_events":"https://pith.science/api/pith-number/IFQRRP7VFQSEA6YUVHNXIZEWRU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU/action/storage_attestation","attest_author":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU/action/author_attestation","sign_citation":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU/action/citation_signature","submit_replication":"https://pith.science/pith/IFQRRP7VFQSEA6YUVHNXIZEWRU/action/replication_record"}},"created_at":"2026-06-23T02:13:43.429640+00:00","updated_at":"2026-06-23T02:13:43.429640+00:00"}