{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:6ABPFRKR6CLYQSR6LTRQF3YGFM","short_pith_number":"pith:6ABPFRKR","schema_version":"1.0","canonical_sha256":"f002f2c551f097884a3e5ce302ef062b1c7f2684f7de0475bc79a243291071c3","source":{"kind":"arxiv","id":"0710.3231","version":1},"attestation_state":"computed","paper":{"title":"Optical Excitation of Nuclear Spin Coherence in Tm3+:YAG","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Anne Louchet (LAC), Fabien Bretenaker (LAC), Fabienne Goldfarb (LAC), Ivan Lorger\\'e (LAC), Jean-Louis Le Gou\\\"et (LAC), Olivier Guillot-No\\\"el (CMCP - Paris VI), Philippe Goldner (CMCP - Paris VI), Thierry Chaneli\\`ere (LAC), Yann Le Du (LAC)","submitted_at":"2007-10-17T07:55:08Z","abstract_excerpt":"A thulium-doped crystal is experimentally shown to be an excellent candidate for broadband quantum storage in a solid-state medium. For the first time, nuclear spin coherence is optically excited, detected and characterized in such a crystal. The lifetime of the spin coherence -- the potential storage entity -- is measured by means of Raman echo to be about 300 $\\mu$s over a wide range of ground state splittings. This flexibility, attractive for broadband operation, and well fitted to existing quantum sources, results from the simple hyperfine structure, contrasting with Pr- and Eu- doped crys"},"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":"0710.3231","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-10-17T07:55:08Z","cross_cats_sorted":[],"title_canon_sha256":"050804969c90a72bdfee4d23dbf6d750e235ec1ff08e028bbbcbb067d83ec2fa","abstract_canon_sha256":"0c9b527dc69fa64ff895296aea20c3de4dc389e79d818537ad49be4ce75ae6ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:23.567029Z","signature_b64":"GmmNpgHEE0/Egl1fyYHar0+5RK52SemkVkzfioFDu0aRe3BL+dENu5oitEJZMAKn9haVkk1QpQvc1BeF7J1iDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f002f2c551f097884a3e5ce302ef062b1c7f2684f7de0475bc79a243291071c3","last_reissued_at":"2026-05-18T04:19:23.566665Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:23.566665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Excitation of Nuclear Spin Coherence in Tm3+:YAG","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Anne Louchet (LAC), Fabien Bretenaker (LAC), Fabienne Goldfarb (LAC), Ivan Lorger\\'e (LAC), Jean-Louis Le Gou\\\"et (LAC), Olivier Guillot-No\\\"el (CMCP - Paris VI), Philippe Goldner (CMCP - Paris VI), Thierry Chaneli\\`ere (LAC), Yann Le Du (LAC)","submitted_at":"2007-10-17T07:55:08Z","abstract_excerpt":"A thulium-doped crystal is experimentally shown to be an excellent candidate for broadband quantum storage in a solid-state medium. For the first time, nuclear spin coherence is optically excited, detected and characterized in such a crystal. The lifetime of the spin coherence -- the potential storage entity -- is measured by means of Raman echo to be about 300 $\\mu$s over a wide range of ground state splittings. This flexibility, attractive for broadband operation, and well fitted to existing quantum sources, results from the simple hyperfine structure, contrasting with Pr- and Eu- doped crys"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.3231","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":"0710.3231","created_at":"2026-05-18T04:19:23.566715+00:00"},{"alias_kind":"arxiv_version","alias_value":"0710.3231v1","created_at":"2026-05-18T04:19:23.566715+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.3231","created_at":"2026-05-18T04:19:23.566715+00:00"},{"alias_kind":"pith_short_12","alias_value":"6ABPFRKR6CLY","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6ABPFRKR6CLYQSR6","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6ABPFRKR","created_at":"2026-05-18T12:25:55.427421+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/6ABPFRKR6CLYQSR6LTRQF3YGFM","json":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM.json","graph_json":"https://pith.science/api/pith-number/6ABPFRKR6CLYQSR6LTRQF3YGFM/graph.json","events_json":"https://pith.science/api/pith-number/6ABPFRKR6CLYQSR6LTRQF3YGFM/events.json","paper":"https://pith.science/paper/6ABPFRKR"},"agent_actions":{"view_html":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM","download_json":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM.json","view_paper":"https://pith.science/paper/6ABPFRKR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0710.3231&json=true","fetch_graph":"https://pith.science/api/pith-number/6ABPFRKR6CLYQSR6LTRQF3YGFM/graph.json","fetch_events":"https://pith.science/api/pith-number/6ABPFRKR6CLYQSR6LTRQF3YGFM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM/action/storage_attestation","attest_author":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM/action/author_attestation","sign_citation":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM/action/citation_signature","submit_replication":"https://pith.science/pith/6ABPFRKR6CLYQSR6LTRQF3YGFM/action/replication_record"}},"created_at":"2026-05-18T04:19:23.566715+00:00","updated_at":"2026-05-18T04:19:23.566715+00:00"}