{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:24QFZ477KXL7XVA5A7U55B2MPU","short_pith_number":"pith:24QFZ477","schema_version":"1.0","canonical_sha256":"d7205cf3ff55d7fbd41d07e9de874c7d313ee51761eb7db53b4f1fd02550b271","source":{"kind":"arxiv","id":"1611.10016","version":1},"attestation_state":"computed","paper":{"title":"Optical Barium Ion Qubit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Dahyun Yum, Debashis De Munshi, Manas Mukherjee, Tarun Dutta","submitted_at":"2016-11-30T06:32:23Z","abstract_excerpt":"We demonstrate an optical single qubit based on 6S1/2 to 5D5/2 quadrupole transition of a single Ba+ ion operated by diode based lasers only. The resonance wavelength of the 6S1/2 to 5D5/2 quadrupole transition is about 1762 nm which suitably falls close to the U-band of the telecommunication wavelength. Thus this qubit is a naturally attractive choice towards implementation of quantum repeater or quantum networks using existing telecommunication networks. We observe continuous bit-flip oscillations at a rate of about 250 kHz which is fast enough for the qubit operation as compared to the meas"},"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":"1611.10016","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-11-30T06:32:23Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"20ca58dfb93738516e860f39afba4025d1f989ab1c4a5423903de55831dc65b7","abstract_canon_sha256":"e70d6d7488256d575dbae608a28b7e9d898a02928f70fc279a77006b1142d61d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:52.709883Z","signature_b64":"ROSWeZVC3LBlKbahWGLr96mR1MG5g7wPBST3FQDmMTBeLZk+rBSrOXxoJFq2WrV6lPSe+rcvu0NI5bczb5BTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7205cf3ff55d7fbd41d07e9de874c7d313ee51761eb7db53b4f1fd02550b271","last_reissued_at":"2026-05-18T00:37:52.709213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:52.709213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Barium Ion Qubit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Dahyun Yum, Debashis De Munshi, Manas Mukherjee, Tarun Dutta","submitted_at":"2016-11-30T06:32:23Z","abstract_excerpt":"We demonstrate an optical single qubit based on 6S1/2 to 5D5/2 quadrupole transition of a single Ba+ ion operated by diode based lasers only. The resonance wavelength of the 6S1/2 to 5D5/2 quadrupole transition is about 1762 nm which suitably falls close to the U-band of the telecommunication wavelength. Thus this qubit is a naturally attractive choice towards implementation of quantum repeater or quantum networks using existing telecommunication networks. We observe continuous bit-flip oscillations at a rate of about 250 kHz which is fast enough for the qubit operation as compared to the meas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.10016","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":"1611.10016","created_at":"2026-05-18T00:37:52.709337+00:00"},{"alias_kind":"arxiv_version","alias_value":"1611.10016v1","created_at":"2026-05-18T00:37:52.709337+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.10016","created_at":"2026-05-18T00:37:52.709337+00:00"},{"alias_kind":"pith_short_12","alias_value":"24QFZ477KXL7","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_16","alias_value":"24QFZ477KXL7XVA5","created_at":"2026-05-18T12:29:52.810259+00:00"},{"alias_kind":"pith_short_8","alias_value":"24QFZ477","created_at":"2026-05-18T12:29:52.810259+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/24QFZ477KXL7XVA5A7U55B2MPU","json":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU.json","graph_json":"https://pith.science/api/pith-number/24QFZ477KXL7XVA5A7U55B2MPU/graph.json","events_json":"https://pith.science/api/pith-number/24QFZ477KXL7XVA5A7U55B2MPU/events.json","paper":"https://pith.science/paper/24QFZ477"},"agent_actions":{"view_html":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU","download_json":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU.json","view_paper":"https://pith.science/paper/24QFZ477","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1611.10016&json=true","fetch_graph":"https://pith.science/api/pith-number/24QFZ477KXL7XVA5A7U55B2MPU/graph.json","fetch_events":"https://pith.science/api/pith-number/24QFZ477KXL7XVA5A7U55B2MPU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU/action/storage_attestation","attest_author":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU/action/author_attestation","sign_citation":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU/action/citation_signature","submit_replication":"https://pith.science/pith/24QFZ477KXL7XVA5A7U55B2MPU/action/replication_record"}},"created_at":"2026-05-18T00:37:52.709337+00:00","updated_at":"2026-05-18T00:37:52.709337+00:00"}