{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MR7XCLDRPU3OZZPUMMXNS7W2AU","short_pith_number":"pith:MR7XCLDR","schema_version":"1.0","canonical_sha256":"647f712c717d36ece5f4632ed97eda053d391a56f3ebf2c5b83446aa5bf39a89","source":{"kind":"arxiv","id":"2411.10638","version":1},"attestation_state":"computed","paper":{"title":"Nonlinear optical pumping to a diamond NV center dark state","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"David P. Lake, Denis Sukachev, Paul E. Barclay, Prasoon K. Shandilya, Sigurd Fl{\\aa}gan, Vinaya K. Kavatamane","submitted_at":"2024-11-16T00:11:26Z","abstract_excerpt":"The photodynamics of diamond nitrogen-vacancy (NV) centers limits their performance in many quantum technologies. Quenching of photoluminescence, which degrades NV readout, is commonly ascribed to a dark state that is not fully understood. Using a nanoscale cavity to generate intense infrared fields that quench NV emission nonlinearly with field intensity, we show that the dark state is accessed by two-photon pumping into the $^4A_2$ quartet state of the neutrally charged NV (NV$^0$). We constrain this state's energy relative to the NV$^0$ ground-state ($^2E$) to $>0.58$\\,eV and the recombinat"},"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":"2411.10638","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-11-16T00:11:26Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"55d970f8bb3a6e8504ec579c1ff20894627b8513bf079c73e824836a5fae057e","abstract_canon_sha256":"3389036a91aeae738391e4999984b79aca703aaf675aa269133eabbf5f76f91f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:36:19.723651Z","signature_b64":"Ezdmj0795DCLI8C3eOrRikIPJqD8dmQtLAhPVUopmXg//sx7OVy3hTPCrAU16XX1K82XRTd9MswC5Tn2bWoOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"647f712c717d36ece5f4632ed97eda053d391a56f3ebf2c5b83446aa5bf39a89","last_reissued_at":"2026-07-05T09:36:19.723172Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:36:19.723172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlinear optical pumping to a diamond NV center dark state","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"David P. Lake, Denis Sukachev, Paul E. Barclay, Prasoon K. Shandilya, Sigurd Fl{\\aa}gan, Vinaya K. Kavatamane","submitted_at":"2024-11-16T00:11:26Z","abstract_excerpt":"The photodynamics of diamond nitrogen-vacancy (NV) centers limits their performance in many quantum technologies. Quenching of photoluminescence, which degrades NV readout, is commonly ascribed to a dark state that is not fully understood. Using a nanoscale cavity to generate intense infrared fields that quench NV emission nonlinearly with field intensity, we show that the dark state is accessed by two-photon pumping into the $^4A_2$ quartet state of the neutrally charged NV (NV$^0$). We constrain this state's energy relative to the NV$^0$ ground-state ($^2E$) to $>0.58$\\,eV and the recombinat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.10638","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.10638/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2411.10638","created_at":"2026-07-05T09:36:19.723232+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.10638v1","created_at":"2026-07-05T09:36:19.723232+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.10638","created_at":"2026-07-05T09:36:19.723232+00:00"},{"alias_kind":"pith_short_12","alias_value":"MR7XCLDRPU3O","created_at":"2026-07-05T09:36:19.723232+00:00"},{"alias_kind":"pith_short_16","alias_value":"MR7XCLDRPU3OZZPU","created_at":"2026-07-05T09:36:19.723232+00:00"},{"alias_kind":"pith_short_8","alias_value":"MR7XCLDR","created_at":"2026-07-05T09:36:19.723232+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.27536","citing_title":"Exceptional points in diamond optomechanics","ref_index":39,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU","json":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU.json","graph_json":"https://pith.science/api/pith-number/MR7XCLDRPU3OZZPUMMXNS7W2AU/graph.json","events_json":"https://pith.science/api/pith-number/MR7XCLDRPU3OZZPUMMXNS7W2AU/events.json","paper":"https://pith.science/paper/MR7XCLDR"},"agent_actions":{"view_html":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU","download_json":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU.json","view_paper":"https://pith.science/paper/MR7XCLDR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.10638&json=true","fetch_graph":"https://pith.science/api/pith-number/MR7XCLDRPU3OZZPUMMXNS7W2AU/graph.json","fetch_events":"https://pith.science/api/pith-number/MR7XCLDRPU3OZZPUMMXNS7W2AU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU/action/storage_attestation","attest_author":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU/action/author_attestation","sign_citation":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU/action/citation_signature","submit_replication":"https://pith.science/pith/MR7XCLDRPU3OZZPUMMXNS7W2AU/action/replication_record"}},"created_at":"2026-07-05T09:36:19.723232+00:00","updated_at":"2026-07-05T09:36:19.723232+00:00"}