{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:UFJLKALJJTY4GMOSL7JK65H6SA","short_pith_number":"pith:UFJLKALJ","schema_version":"1.0","canonical_sha256":"a152b501694cf1c331d25fd2af74fe902c5556f4dfbbc51936819b5acb85bea6","source":{"kind":"arxiv","id":"1409.4881","version":1},"attestation_state":"computed","paper":{"title":"A micrometer-scale integrated silicon source of time-energy entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.optics"],"primary_cat":"quant-ph","authors_text":"Daniele Bajoni, Davide Grassani, J. E. Sipe, Marco Liscidini, Marc Sorel, Matteo Galli, Michael J. Strain, Stefano Azzini","submitted_at":"2014-09-17T07:14:25Z","abstract_excerpt":"Entanglement is a fundamental resource in quantum information processing. Several studies have explored the integration of sources of entangled states on a silicon chip but the sources demonstrated so far require millimeter lengths and pump powers of the order of hundreds of mWs to produce an appreciable photon flux, hindering their scalability and dense integration.\n  Microring resonators have been shown to be efficient sources of photon pairs, but entangled state emission has never been demonstrated. Here we report the first demonstration of a microring resonator capable of emitting time-ene"},"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":"1409.4881","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-17T07:14:25Z","cross_cats_sorted":["cond-mat.other","physics.optics"],"title_canon_sha256":"766f73a8c980d135e2d1db4c985201f782d0603599bb1ed8c18f4d79cb06461b","abstract_canon_sha256":"8d46b9d9318d4446106593c9ba4e90659a5258350c564900a9c0e11e6bb69d9c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:42:38.475445Z","signature_b64":"xGPmjxoNnyZsske9SxIRM3B3jpWWx8eyskP/sAKm5rQ1e0xoMEVQHerx+94VY0AKL8/wZvmQbNYqjwhtav7+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a152b501694cf1c331d25fd2af74fe902c5556f4dfbbc51936819b5acb85bea6","last_reissued_at":"2026-05-18T02:42:38.474889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:42:38.474889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A micrometer-scale integrated silicon source of time-energy entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","physics.optics"],"primary_cat":"quant-ph","authors_text":"Daniele Bajoni, Davide Grassani, J. E. Sipe, Marco Liscidini, Marc Sorel, Matteo Galli, Michael J. Strain, Stefano Azzini","submitted_at":"2014-09-17T07:14:25Z","abstract_excerpt":"Entanglement is a fundamental resource in quantum information processing. Several studies have explored the integration of sources of entangled states on a silicon chip but the sources demonstrated so far require millimeter lengths and pump powers of the order of hundreds of mWs to produce an appreciable photon flux, hindering their scalability and dense integration.\n  Microring resonators have been shown to be efficient sources of photon pairs, but entangled state emission has never been demonstrated. Here we report the first demonstration of a microring resonator capable of emitting time-ene"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4881","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":"1409.4881","created_at":"2026-05-18T02:42:38.474971+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.4881v1","created_at":"2026-05-18T02:42:38.474971+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4881","created_at":"2026-05-18T02:42:38.474971+00:00"},{"alias_kind":"pith_short_12","alias_value":"UFJLKALJJTY4","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_16","alias_value":"UFJLKALJJTY4GMOS","created_at":"2026-05-18T12:28:52.271510+00:00"},{"alias_kind":"pith_short_8","alias_value":"UFJLKALJ","created_at":"2026-05-18T12:28:52.271510+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/UFJLKALJJTY4GMOSL7JK65H6SA","json":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA.json","graph_json":"https://pith.science/api/pith-number/UFJLKALJJTY4GMOSL7JK65H6SA/graph.json","events_json":"https://pith.science/api/pith-number/UFJLKALJJTY4GMOSL7JK65H6SA/events.json","paper":"https://pith.science/paper/UFJLKALJ"},"agent_actions":{"view_html":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA","download_json":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA.json","view_paper":"https://pith.science/paper/UFJLKALJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.4881&json=true","fetch_graph":"https://pith.science/api/pith-number/UFJLKALJJTY4GMOSL7JK65H6SA/graph.json","fetch_events":"https://pith.science/api/pith-number/UFJLKALJJTY4GMOSL7JK65H6SA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA/action/storage_attestation","attest_author":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA/action/author_attestation","sign_citation":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA/action/citation_signature","submit_replication":"https://pith.science/pith/UFJLKALJJTY4GMOSL7JK65H6SA/action/replication_record"}},"created_at":"2026-05-18T02:42:38.474971+00:00","updated_at":"2026-05-18T02:42:38.474971+00:00"}