{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:X2Z4PLDKU72QNUKVTHBQHJIRX3","short_pith_number":"pith:X2Z4PLDK","schema_version":"1.0","canonical_sha256":"beb3c7ac6aa7f506d15599c303a511bed40ad5f63dcec2672b15b91f2e468f41","source":{"kind":"arxiv","id":"1612.01438","version":1},"attestation_state":"computed","paper":{"title":"Nonreciprocal microwave signal processing with a Field-Programmable Josephson Amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. Lecocq, G. A. Peterson, J. Aumentado, J. D. Teufel, K. Cicak, L. Ranzani, R. W. Simmonds","submitted_at":"2016-12-05T17:17:48Z","abstract_excerpt":"We report on the design and implementation of a Field Programmable Josephson Amplifier (FPJA) - a compact and lossless superconducting circuit that can be programmed \\textit{in situ} by a set of microwave drives to perform reciprocal and nonreciprocal frequency conversion and amplification. In this work we demonstrate four modes of operation: frequency conversion ($-0.5~\\mathrm{dB}$ transmission, $-30~\\mathrm{dB}$ reflection), circulation ($-0.5~\\mathrm{dB}$ transmission, $-30~\\mathrm{dB}$ reflection, $30~\\mathrm{dB}$ isolation), phase-preserving amplification (gain $>20~\\mathrm{dB}$, $1~\\math"},"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":"1612.01438","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-12-05T17:17:48Z","cross_cats_sorted":[],"title_canon_sha256":"855f58cbeb962814237bdd301d0aa0cf900e5df5f1eb46a884420ac70905be12","abstract_canon_sha256":"d79c8464d53443e17d7084c1b9121c22ebca2c59acad3f0680d65d25500f1759"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:11.021416Z","signature_b64":"cqOD4jdjeZg91j0NJHF7fzizL1NyL4LVUTkVTvXAL5T2wj0GMjHeGawb4cBKpPJKx3nEI9zscZW3UttDkOleAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"beb3c7ac6aa7f506d15599c303a511bed40ad5f63dcec2672b15b91f2e468f41","last_reissued_at":"2026-05-18T00:49:11.020720Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:11.020720Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonreciprocal microwave signal processing with a Field-Programmable Josephson Amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. Lecocq, G. A. Peterson, J. Aumentado, J. D. Teufel, K. Cicak, L. Ranzani, R. W. Simmonds","submitted_at":"2016-12-05T17:17:48Z","abstract_excerpt":"We report on the design and implementation of a Field Programmable Josephson Amplifier (FPJA) - a compact and lossless superconducting circuit that can be programmed \\textit{in situ} by a set of microwave drives to perform reciprocal and nonreciprocal frequency conversion and amplification. In this work we demonstrate four modes of operation: frequency conversion ($-0.5~\\mathrm{dB}$ transmission, $-30~\\mathrm{dB}$ reflection), circulation ($-0.5~\\mathrm{dB}$ transmission, $-30~\\mathrm{dB}$ reflection, $30~\\mathrm{dB}$ isolation), phase-preserving amplification (gain $>20~\\mathrm{dB}$, $1~\\math"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01438","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":"1612.01438","created_at":"2026-05-18T00:49:11.020840+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.01438v1","created_at":"2026-05-18T00:49:11.020840+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01438","created_at":"2026-05-18T00:49:11.020840+00:00"},{"alias_kind":"pith_short_12","alias_value":"X2Z4PLDKU72Q","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"X2Z4PLDKU72QNUKV","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"X2Z4PLDK","created_at":"2026-05-18T12:30:51.357362+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/X2Z4PLDKU72QNUKVTHBQHJIRX3","json":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3.json","graph_json":"https://pith.science/api/pith-number/X2Z4PLDKU72QNUKVTHBQHJIRX3/graph.json","events_json":"https://pith.science/api/pith-number/X2Z4PLDKU72QNUKVTHBQHJIRX3/events.json","paper":"https://pith.science/paper/X2Z4PLDK"},"agent_actions":{"view_html":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3","download_json":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3.json","view_paper":"https://pith.science/paper/X2Z4PLDK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.01438&json=true","fetch_graph":"https://pith.science/api/pith-number/X2Z4PLDKU72QNUKVTHBQHJIRX3/graph.json","fetch_events":"https://pith.science/api/pith-number/X2Z4PLDKU72QNUKVTHBQHJIRX3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3/action/storage_attestation","attest_author":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3/action/author_attestation","sign_citation":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3/action/citation_signature","submit_replication":"https://pith.science/pith/X2Z4PLDKU72QNUKVTHBQHJIRX3/action/replication_record"}},"created_at":"2026-05-18T00:49:11.020840+00:00","updated_at":"2026-05-18T00:49:11.020840+00:00"}