{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:T6EHLUNM3GDJOFZXLCQJ3XZZ57","short_pith_number":"pith:T6EHLUNM","schema_version":"1.0","canonical_sha256":"9f8875d1acd98697173758a09ddf39efd60faf7677f53ba4afdac2dbd32065cb","source":{"kind":"arxiv","id":"1611.07484","version":2},"attestation_state":"computed","paper":{"title":"Creating photon-number squeezed strong microwave fields by a Cooper-pair injection laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Juha Lepp\\\"akangas, Martin Koppenh\\\"ofer, Michael Marthaler","submitted_at":"2016-11-22T19:42:55Z","abstract_excerpt":"The use of artificial atoms as an active lasing medium opens a way to construct novel sources of nonclassical radiation. An example is the creation of photon-number squeezed light. Here we present a design of a laser consisting of multiple Cooper-pair transistors coupled to a microwave resonator. Over a broad range of experimentally realizable parameters, this laser creates photon-number squeezed microwave radiation, characterized by a Fano factor $F \\ll 1$, at a very high resonator photon number. We investigate the impact of gate-charge disorder in a Cooper-pair transistor and show that the s"},"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":"1611.07484","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-11-22T19:42:55Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"07350e9b86e56ead2ec6a0c3dcd8e8a142e278c54297d10efb384735f2739050","abstract_canon_sha256":"c8db5b8f708c1ec4344889826c4300d59e66519e53ce1d3f657f1894e36c9dce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:15.019475Z","signature_b64":"gxIn7xGJXu1JRmeOddHua8FViyMsLBmjsWD3q+Q8hCBidsL1SpfTKA5THh/rcTjkFw2+kuXgaIDlnpARjaSqBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f8875d1acd98697173758a09ddf39efd60faf7677f53ba4afdac2dbd32065cb","last_reissued_at":"2026-05-18T00:45:15.018795Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:15.018795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Creating photon-number squeezed strong microwave fields by a Cooper-pair injection laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Juha Lepp\\\"akangas, Martin Koppenh\\\"ofer, Michael Marthaler","submitted_at":"2016-11-22T19:42:55Z","abstract_excerpt":"The use of artificial atoms as an active lasing medium opens a way to construct novel sources of nonclassical radiation. An example is the creation of photon-number squeezed light. Here we present a design of a laser consisting of multiple Cooper-pair transistors coupled to a microwave resonator. Over a broad range of experimentally realizable parameters, this laser creates photon-number squeezed microwave radiation, characterized by a Fano factor $F \\ll 1$, at a very high resonator photon number. We investigate the impact of gate-charge disorder in a Cooper-pair transistor and show that the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.07484","kind":"arxiv","version":2},"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":"1611.07484","created_at":"2026-05-18T00:45:15.018888+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.07484v2","created_at":"2026-05-18T00:45:15.018888+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.07484","created_at":"2026-05-18T00:45:15.018888+00:00"},{"alias_kind":"pith_short_12","alias_value":"T6EHLUNM3GDJ","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_16","alias_value":"T6EHLUNM3GDJOFZX","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_8","alias_value":"T6EHLUNM","created_at":"2026-05-18T12:30:44.179134+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/T6EHLUNM3GDJOFZXLCQJ3XZZ57","json":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57.json","graph_json":"https://pith.science/api/pith-number/T6EHLUNM3GDJOFZXLCQJ3XZZ57/graph.json","events_json":"https://pith.science/api/pith-number/T6EHLUNM3GDJOFZXLCQJ3XZZ57/events.json","paper":"https://pith.science/paper/T6EHLUNM"},"agent_actions":{"view_html":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57","download_json":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57.json","view_paper":"https://pith.science/paper/T6EHLUNM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.07484&json=true","fetch_graph":"https://pith.science/api/pith-number/T6EHLUNM3GDJOFZXLCQJ3XZZ57/graph.json","fetch_events":"https://pith.science/api/pith-number/T6EHLUNM3GDJOFZXLCQJ3XZZ57/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57/action/timestamp_anchor","attest_storage":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57/action/storage_attestation","attest_author":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57/action/author_attestation","sign_citation":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57/action/citation_signature","submit_replication":"https://pith.science/pith/T6EHLUNM3GDJOFZXLCQJ3XZZ57/action/replication_record"}},"created_at":"2026-05-18T00:45:15.018888+00:00","updated_at":"2026-05-18T00:45:15.018888+00:00"}