{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:QVDP4VJ4YI6LWLDBXIJDYBL3KT","short_pith_number":"pith:QVDP4VJ4","schema_version":"1.0","canonical_sha256":"8546fe553cc23cbb2c61ba123c057b54cfed11f58ab95d8b9aba1390a595f90f","source":{"kind":"arxiv","id":"1905.10181","version":1},"attestation_state":"computed","paper":{"title":"Monolithic semiconductor hemispherical micro cavities for efficient single photon extraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"B. D. Gerardot, C. Bonato, G. C. Ballesteros","submitted_at":"2019-05-24T12:20:51Z","abstract_excerpt":"We present a monolithic semiconductor microcavity design for enhanced light-matter interaction and photon extraction efficiency of an embedded quantum emitter such as a quantum dot or color center. The microcavity is a hemispherical Fabry-Perot design consisting of a planar back mirror and a top curved mirror. Higher order modes are suppressed in the structure by reducing the height of the curved mirror, leading to efficient photon extraction into a fundamental mode with a Gaussian far-field radiation pattern. The cavity finesse can be varied easily by changing the reflectivity of the mirrors "},"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":"1905.10181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-24T12:20:51Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"2d20434636f9d24d64b639f9fb6e9b1c7466a2c744ebf5d03e6070251541033a","abstract_canon_sha256":"fd94667c317ee7f681397092b12ed32e454ebfd09825623c0e97d1b3107ada2f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:11.062137Z","signature_b64":"AlchWEN0UFUCVrry1UZ6UNPy5IK5tnmTbiILghJGo3FL2nXEMoJsaQQiwLYTe2+GL65986e0XH+QqoF39tn4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8546fe553cc23cbb2c61ba123c057b54cfed11f58ab95d8b9aba1390a595f90f","last_reissued_at":"2026-05-17T23:45:11.061431Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:11.061431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Monolithic semiconductor hemispherical micro cavities for efficient single photon extraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"B. D. Gerardot, C. Bonato, G. C. Ballesteros","submitted_at":"2019-05-24T12:20:51Z","abstract_excerpt":"We present a monolithic semiconductor microcavity design for enhanced light-matter interaction and photon extraction efficiency of an embedded quantum emitter such as a quantum dot or color center. The microcavity is a hemispherical Fabry-Perot design consisting of a planar back mirror and a top curved mirror. Higher order modes are suppressed in the structure by reducing the height of the curved mirror, leading to efficient photon extraction into a fundamental mode with a Gaussian far-field radiation pattern. The cavity finesse can be varied easily by changing the reflectivity of the mirrors "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.10181","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":"1905.10181","created_at":"2026-05-17T23:45:11.061545+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.10181v1","created_at":"2026-05-17T23:45:11.061545+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.10181","created_at":"2026-05-17T23:45:11.061545+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVDP4VJ4YI6L","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVDP4VJ4YI6LWLDB","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVDP4VJ4","created_at":"2026-05-18T12:33:27.125529+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/QVDP4VJ4YI6LWLDBXIJDYBL3KT","json":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT.json","graph_json":"https://pith.science/api/pith-number/QVDP4VJ4YI6LWLDBXIJDYBL3KT/graph.json","events_json":"https://pith.science/api/pith-number/QVDP4VJ4YI6LWLDBXIJDYBL3KT/events.json","paper":"https://pith.science/paper/QVDP4VJ4"},"agent_actions":{"view_html":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT","download_json":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT.json","view_paper":"https://pith.science/paper/QVDP4VJ4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.10181&json=true","fetch_graph":"https://pith.science/api/pith-number/QVDP4VJ4YI6LWLDBXIJDYBL3KT/graph.json","fetch_events":"https://pith.science/api/pith-number/QVDP4VJ4YI6LWLDBXIJDYBL3KT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT/action/storage_attestation","attest_author":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT/action/author_attestation","sign_citation":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT/action/citation_signature","submit_replication":"https://pith.science/pith/QVDP4VJ4YI6LWLDBXIJDYBL3KT/action/replication_record"}},"created_at":"2026-05-17T23:45:11.061545+00:00","updated_at":"2026-05-17T23:45:11.061545+00:00"}