{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:F7LII4UYT4DZZ453IHYETVQQHT","short_pith_number":"pith:F7LII4UY","schema_version":"1.0","canonical_sha256":"2fd68472989f079cf3bb41f049d6103cc4f7835fa058d0378c9b4d6227792b19","source":{"kind":"arxiv","id":"1705.01962","version":1},"attestation_state":"computed","paper":{"title":"Experimental verification of entanglement generated in a plasmonic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"F. Dieleman, M. S. Kim, M. S. Tame, S. A. Maier, Y. Sonnefraud","submitted_at":"2017-05-04T18:17:09Z","abstract_excerpt":"A core process in many quantum tasks is the generation of entanglement. It is being actively studied in a variety of physical settings - from simple bipartite systems to complex multipartite systems. In this work we experimentally study the generation of bipartite entanglement in a nanophotonic system. Entanglement is generated via the quantum interference of two surface plasmon polaritons in a beamsplitter structure, i.e. utilising the Hong-Ou-Mandel (HOM) effect, and its presence is verified using quantum state tomography. The amount of entanglement is quantified by the concurrence and we fi"},"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":"1705.01962","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-05-04T18:17:09Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"9c0d7f55ebb14327e8b91347a03431cbc532f686166c33eefcba82358985bb74","abstract_canon_sha256":"f54fc0b0f0b9b141ca9627c9301ecbd1ca823e6a6d4dd0226404dbb2480dce20"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:48.402972Z","signature_b64":"o/CSvMLLX+z6CH2qvKkTFeKu0F9aevNf+DEIRTHS7oaol7c2XXaJTPHl2+v00tjlNIKRkx0fDEEoZwxkuAqsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fd68472989f079cf3bb41f049d6103cc4f7835fa058d0378c9b4d6227792b19","last_reissued_at":"2026-05-18T00:27:48.402513Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:48.402513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental verification of entanglement generated in a plasmonic system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"F. Dieleman, M. S. Kim, M. S. Tame, S. A. Maier, Y. Sonnefraud","submitted_at":"2017-05-04T18:17:09Z","abstract_excerpt":"A core process in many quantum tasks is the generation of entanglement. It is being actively studied in a variety of physical settings - from simple bipartite systems to complex multipartite systems. In this work we experimentally study the generation of bipartite entanglement in a nanophotonic system. Entanglement is generated via the quantum interference of two surface plasmon polaritons in a beamsplitter structure, i.e. utilising the Hong-Ou-Mandel (HOM) effect, and its presence is verified using quantum state tomography. The amount of entanglement is quantified by the concurrence and we fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.01962","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":"1705.01962","created_at":"2026-05-18T00:27:48.402590+00:00"},{"alias_kind":"arxiv_version","alias_value":"1705.01962v1","created_at":"2026-05-18T00:27:48.402590+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.01962","created_at":"2026-05-18T00:27:48.402590+00:00"},{"alias_kind":"pith_short_12","alias_value":"F7LII4UYT4DZ","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"F7LII4UYT4DZZ453","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"F7LII4UY","created_at":"2026-05-18T12:31:15.632608+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/F7LII4UYT4DZZ453IHYETVQQHT","json":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT.json","graph_json":"https://pith.science/api/pith-number/F7LII4UYT4DZZ453IHYETVQQHT/graph.json","events_json":"https://pith.science/api/pith-number/F7LII4UYT4DZZ453IHYETVQQHT/events.json","paper":"https://pith.science/paper/F7LII4UY"},"agent_actions":{"view_html":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT","download_json":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT.json","view_paper":"https://pith.science/paper/F7LII4UY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1705.01962&json=true","fetch_graph":"https://pith.science/api/pith-number/F7LII4UYT4DZZ453IHYETVQQHT/graph.json","fetch_events":"https://pith.science/api/pith-number/F7LII4UYT4DZZ453IHYETVQQHT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT/action/storage_attestation","attest_author":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT/action/author_attestation","sign_citation":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT/action/citation_signature","submit_replication":"https://pith.science/pith/F7LII4UYT4DZZ453IHYETVQQHT/action/replication_record"}},"created_at":"2026-05-18T00:27:48.402590+00:00","updated_at":"2026-05-18T00:27:48.402590+00:00"}