{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:U2AQUZX5YZLUY45JJ7LCAEX7DS","short_pith_number":"pith:U2AQUZX5","schema_version":"1.0","canonical_sha256":"a6810a66fdc6574c73a94fd62012ff1c9e4b373d6bfec7d0e288bb66f4236ad2","source":{"kind":"arxiv","id":"1508.00042","version":1},"attestation_state":"computed","paper":{"title":"Energy-tunable entangled photon sources on a III-V/Silicon chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Fei Ding, Jiaxiang Zhang, Kyubong Jung, Michael Zopf, Oliver G. Schmidt, Yan Chen, Yang Zhang","submitted_at":"2015-07-31T21:43:57Z","abstract_excerpt":"Many of the envisioned quantum photonic technologies, e.g. a quantum repeater, rely on an energy- (wavelength-) tunable source of polarization entangled photon pairs. The energy tunability is a fundamental requirement to perform two-photon-interference between different sources and to swap the entanglement. Parametric-down-conversion and four-wave-mixing sources of entangled photons have shown energy tunability, however the probabilistic nature of the sources limits their applications in complex quantum protocols. Here we report a silicon-based hybrid photonic chip where energy-tunable polariz"},"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":"1508.00042","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-07-31T21:43:57Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"title_canon_sha256":"483638604d90f0fd47af819edceec047a18724fee3e445eb678a92fdbb95b6be","abstract_canon_sha256":"8e8ecdeb4c28420a89af58191aa813dcd1c0b28a6daffd9f1102b924cccee92a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:59.262911Z","signature_b64":"aw3kSUGB7hshcPvcAKojKdDwIN6k6PyY6TDqWxRrlJwX6w3mNT+0M8T8HF0C/1hpcXAbsdQbxjQVA5Yda+BHDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6810a66fdc6574c73a94fd62012ff1c9e4b373d6bfec7d0e288bb66f4236ad2","last_reissued_at":"2026-05-18T01:35:59.262345Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:59.262345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Energy-tunable entangled photon sources on a III-V/Silicon chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Fei Ding, Jiaxiang Zhang, Kyubong Jung, Michael Zopf, Oliver G. Schmidt, Yan Chen, Yang Zhang","submitted_at":"2015-07-31T21:43:57Z","abstract_excerpt":"Many of the envisioned quantum photonic technologies, e.g. a quantum repeater, rely on an energy- (wavelength-) tunable source of polarization entangled photon pairs. The energy tunability is a fundamental requirement to perform two-photon-interference between different sources and to swap the entanglement. Parametric-down-conversion and four-wave-mixing sources of entangled photons have shown energy tunability, however the probabilistic nature of the sources limits their applications in complex quantum protocols. Here we report a silicon-based hybrid photonic chip where energy-tunable polariz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00042","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":"1508.00042","created_at":"2026-05-18T01:35:59.262454+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.00042v1","created_at":"2026-05-18T01:35:59.262454+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00042","created_at":"2026-05-18T01:35:59.262454+00:00"},{"alias_kind":"pith_short_12","alias_value":"U2AQUZX5YZLU","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"U2AQUZX5YZLUY45J","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"U2AQUZX5","created_at":"2026-05-18T12:29:44.643036+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/U2AQUZX5YZLUY45JJ7LCAEX7DS","json":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS.json","graph_json":"https://pith.science/api/pith-number/U2AQUZX5YZLUY45JJ7LCAEX7DS/graph.json","events_json":"https://pith.science/api/pith-number/U2AQUZX5YZLUY45JJ7LCAEX7DS/events.json","paper":"https://pith.science/paper/U2AQUZX5"},"agent_actions":{"view_html":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS","download_json":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS.json","view_paper":"https://pith.science/paper/U2AQUZX5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.00042&json=true","fetch_graph":"https://pith.science/api/pith-number/U2AQUZX5YZLUY45JJ7LCAEX7DS/graph.json","fetch_events":"https://pith.science/api/pith-number/U2AQUZX5YZLUY45JJ7LCAEX7DS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS/action/storage_attestation","attest_author":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS/action/author_attestation","sign_citation":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS/action/citation_signature","submit_replication":"https://pith.science/pith/U2AQUZX5YZLUY45JJ7LCAEX7DS/action/replication_record"}},"created_at":"2026-05-18T01:35:59.262454+00:00","updated_at":"2026-05-18T01:35:59.262454+00:00"}