{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3B4ALNBJKGFRUTSTKYXW762575","short_pith_number":"pith:3B4ALNBJ","canonical_record":{"source":{"id":"1506.05050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-16T17:56:43Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"e3e1318665ce6ca9a5e2e7cca3cfc5181d4446c6a64b4fc5f2b797a34f6e8893","abstract_canon_sha256":"9368f627ad9aeaf892e2ec775588c4c2892cff071cbd02fa1b5dac12b295bdd1"},"schema_version":"1.0"},"canonical_sha256":"d87805b429518b1a4e53562f6ffb5dff7fca44d1462ffa96f511c6b241561bbb","source":{"kind":"arxiv","id":"1506.05050","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05050","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05050v1","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05050","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"3B4ALNBJKGFR","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3B4ALNBJKGFRUTST","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3B4ALNBJ","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3B4ALNBJKGFRUTSTKYXW762575","target":"record","payload":{"canonical_record":{"source":{"id":"1506.05050","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-16T17:56:43Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"e3e1318665ce6ca9a5e2e7cca3cfc5181d4446c6a64b4fc5f2b797a34f6e8893","abstract_canon_sha256":"9368f627ad9aeaf892e2ec775588c4c2892cff071cbd02fa1b5dac12b295bdd1"},"schema_version":"1.0"},"canonical_sha256":"d87805b429518b1a4e53562f6ffb5dff7fca44d1462ffa96f511c6b241561bbb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:39.693329Z","signature_b64":"yuQ96Dta1+ieX1sEJqNkLTkrqN5bgD6kZhJMNpPRdC1AT/vdhfk3uOKGCSVgJFL5iOXJX0qZ16sz8vngHpAqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d87805b429518b1a4e53562f6ffb5dff7fca44d1462ffa96f511c6b241561bbb","last_reissued_at":"2026-05-18T01:22:39.692870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:39.692870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.05050","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y8QdiP2jgUBxp67MR6644rWuzyshWfXc2U2ARxJmU0CK+x0mlI2zdSSTavlQx6sMGpTmv5ixi7cQfbVzfq5rBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:59:26.644723Z"},"content_sha256":"8e81a013dff7a3d5d666ef46298b4bab02454e8f1e1717dbf214997c5e548612","schema_version":"1.0","event_id":"sha256:8e81a013dff7a3d5d666ef46298b4bab02454e8f1e1717dbf214997c5e548612"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3B4ALNBJKGFRUTSTKYXW762575","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhanced two-photon emission from a dressed biexciton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Carlos S\\'anchez Mu\\~noz, Carlos Tejedor, Elena del Valle, Fabrice P. Laussy","submitted_at":"2015-06-16T17:56:43Z","abstract_excerpt":"Radiative two-photon cascades from biexcitons in semiconductor quantum dots under resonant two-photon excitation are promising candidates for the generation of photon pairs. In this work, we propose a scheme to obtain two-photon emission that allows to operate under very intense driving fields. This approach relies on the Purcell enhancement of two-photon virtual transitions between states of the biexciton dressed by the laser. The richness provided by the biexcitonic level structure allows to reach a variety of regimes, from antibunched and bunched photon pairs with polarization orthogonal to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05050","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:22:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozXv8SOw6SQ8H2iTmvKjZy/Qvb8xvySRJ6sDBcBUhtOTK5CSQmQ+U5OYwweBZPgOvFYW+PgueVUjttmtixgtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:59:26.645364Z"},"content_sha256":"410bf98c5dc594d25b358f2304e787122dad27a7a92081c01b69e724b46c62b2","schema_version":"1.0","event_id":"sha256:410bf98c5dc594d25b358f2304e787122dad27a7a92081c01b69e724b46c62b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3B4ALNBJKGFRUTSTKYXW762575/bundle.json","state_url":"https://pith.science/pith/3B4ALNBJKGFRUTSTKYXW762575/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3B4ALNBJKGFRUTSTKYXW762575/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-18T23:59:26Z","links":{"resolver":"https://pith.science/pith/3B4ALNBJKGFRUTSTKYXW762575","bundle":"https://pith.science/pith/3B4ALNBJKGFRUTSTKYXW762575/bundle.json","state":"https://pith.science/pith/3B4ALNBJKGFRUTSTKYXW762575/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3B4ALNBJKGFRUTSTKYXW762575/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3B4ALNBJKGFRUTSTKYXW762575","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"9368f627ad9aeaf892e2ec775588c4c2892cff071cbd02fa1b5dac12b295bdd1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-16T17:56:43Z","title_canon_sha256":"e3e1318665ce6ca9a5e2e7cca3cfc5181d4446c6a64b4fc5f2b797a34f6e8893"},"schema_version":"1.0","source":{"id":"1506.05050","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05050","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05050v1","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05050","created_at":"2026-05-18T01:22:39Z"},{"alias_kind":"pith_short_12","alias_value":"3B4ALNBJKGFR","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3B4ALNBJKGFRUTST","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3B4ALNBJ","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:410bf98c5dc594d25b358f2304e787122dad27a7a92081c01b69e724b46c62b2","target":"graph","created_at":"2026-05-18T01:22:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Radiative two-photon cascades from biexcitons in semiconductor quantum dots under resonant two-photon excitation are promising candidates for the generation of photon pairs. In this work, we propose a scheme to obtain two-photon emission that allows to operate under very intense driving fields. This approach relies on the Purcell enhancement of two-photon virtual transitions between states of the biexciton dressed by the laser. The richness provided by the biexcitonic level structure allows to reach a variety of regimes, from antibunched and bunched photon pairs with polarization orthogonal to","authors_text":"Carlos S\\'anchez Mu\\~noz, Carlos Tejedor, Elena del Valle, Fabrice P. Laussy","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-16T17:56:43Z","title":"Enhanced two-photon emission from a dressed biexciton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05050","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8e81a013dff7a3d5d666ef46298b4bab02454e8f1e1717dbf214997c5e548612","target":"record","created_at":"2026-05-18T01:22:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"9368f627ad9aeaf892e2ec775588c4c2892cff071cbd02fa1b5dac12b295bdd1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-06-16T17:56:43Z","title_canon_sha256":"e3e1318665ce6ca9a5e2e7cca3cfc5181d4446c6a64b4fc5f2b797a34f6e8893"},"schema_version":"1.0","source":{"id":"1506.05050","kind":"arxiv","version":1}},"canonical_sha256":"d87805b429518b1a4e53562f6ffb5dff7fca44d1462ffa96f511c6b241561bbb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d87805b429518b1a4e53562f6ffb5dff7fca44d1462ffa96f511c6b241561bbb","first_computed_at":"2026-05-18T01:22:39.692870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:39.692870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yuQ96Dta1+ieX1sEJqNkLTkrqN5bgD6kZhJMNpPRdC1AT/vdhfk3uOKGCSVgJFL5iOXJX0qZ16sz8vngHpAqAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:39.693329Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.05050","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e81a013dff7a3d5d666ef46298b4bab02454e8f1e1717dbf214997c5e548612","sha256:410bf98c5dc594d25b358f2304e787122dad27a7a92081c01b69e724b46c62b2"],"state_sha256":"3e77f6c48b8d00083b17c270c3d8ce7546e41796b964376ba349d8d692ff6fb7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNUfOy1w5NN/aXAYcAEuDAauIok2ysscMu35Dm1JgeOTkZTvoJGXutjDDC12tlv0cp64F+tIHFJSVkqnCXF4Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T23:59:26.647578Z","bundle_sha256":"88ea9aa5769948d2139717fd3f8d91b722ce5f99bd149c8b6ae3ad4faac46ae9"}}