{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:PPUSBAVGLNXRLOIQ7ZIL4PEOMJ","short_pith_number":"pith:PPUSBAVG","schema_version":"1.0","canonical_sha256":"7be92082a65b6f15b910fe50be3c8e6240969b3e2abd370f89672fee85e61911","source":{"kind":"arxiv","id":"1802.07947","version":2},"attestation_state":"computed","paper":{"title":"A two-way photonic interface for linking Sr+ transition at 422 nm to the telecommunications C-band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Benjamin Brecht, Corin B.E. Gawith, Ian A. Walmsley, Jonas N. Becker, Joshua Nunn, Patrick M. Ledingham, Peter G.R. Smith, Peter J. Mosley, Robert J.A. Francis-Jones, Thomas A. Wright","submitted_at":"2018-02-22T09:11:06Z","abstract_excerpt":"We report a single-stage bi-directional interface capable of linking Sr+ trapped ion qubits in a long-distance quantum network. Our interface converts photons between the Sr+ emission wavelength at 422 nm and the telecoms C-band to enable low-loss transmission over optical fiber. We have achieved both up- and down-conversion at the single photon level with efficiencies of 9.4% and 1.1% respectively. Furthermore we demonstrate noise levels that are low enough to allow for genuine quantum operation in the future."},"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":"1802.07947","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-02-22T09:11:06Z","cross_cats_sorted":[],"title_canon_sha256":"be076b7e268cdf8212c4365206e71f09a76596edf8a66c3a029a4a48f9e190e8","abstract_canon_sha256":"a8f9ba0865dd9ca051bce09700c3926ecde44b67f970e3f9f2eba923a4a3ab62"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:24.670174Z","signature_b64":"3cFMzoo3yLdVrpkOocgCZJQylB56kvha+d7tX55z/fZRXqsi27HMuA55iakvceWHG7NPQWyw4aMwrFo8wrttAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7be92082a65b6f15b910fe50be3c8e6240969b3e2abd370f89672fee85e61911","last_reissued_at":"2026-05-18T00:03:24.669615Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:24.669615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A two-way photonic interface for linking Sr+ transition at 422 nm to the telecommunications C-band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Benjamin Brecht, Corin B.E. Gawith, Ian A. Walmsley, Jonas N. Becker, Joshua Nunn, Patrick M. Ledingham, Peter G.R. Smith, Peter J. Mosley, Robert J.A. Francis-Jones, Thomas A. Wright","submitted_at":"2018-02-22T09:11:06Z","abstract_excerpt":"We report a single-stage bi-directional interface capable of linking Sr+ trapped ion qubits in a long-distance quantum network. Our interface converts photons between the Sr+ emission wavelength at 422 nm and the telecoms C-band to enable low-loss transmission over optical fiber. We have achieved both up- and down-conversion at the single photon level with efficiencies of 9.4% and 1.1% respectively. Furthermore we demonstrate noise levels that are low enough to allow for genuine quantum operation in the future."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.07947","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":"1802.07947","created_at":"2026-05-18T00:03:24.669703+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.07947v2","created_at":"2026-05-18T00:03:24.669703+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.07947","created_at":"2026-05-18T00:03:24.669703+00:00"},{"alias_kind":"pith_short_12","alias_value":"PPUSBAVGLNXR","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"PPUSBAVGLNXRLOIQ","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"PPUSBAVG","created_at":"2026-05-18T12:32:46.962924+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/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ","json":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ.json","graph_json":"https://pith.science/api/pith-number/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/graph.json","events_json":"https://pith.science/api/pith-number/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/events.json","paper":"https://pith.science/paper/PPUSBAVG"},"agent_actions":{"view_html":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ","download_json":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ.json","view_paper":"https://pith.science/paper/PPUSBAVG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.07947&json=true","fetch_graph":"https://pith.science/api/pith-number/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/graph.json","fetch_events":"https://pith.science/api/pith-number/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/action/storage_attestation","attest_author":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/action/author_attestation","sign_citation":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/action/citation_signature","submit_replication":"https://pith.science/pith/PPUSBAVGLNXRLOIQ7ZIL4PEOMJ/action/replication_record"}},"created_at":"2026-05-18T00:03:24.669703+00:00","updated_at":"2026-05-18T00:03:24.669703+00:00"}