{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:C5YRR3F7NF42R7DQRZCLWI3UXG","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":"dfea639a0aeb14c56f53b11c24f0f81a30d06819d69d1f9a7d1b6de0874e0c74","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-01T07:39:21Z","title_canon_sha256":"81722041d82b88a20685efb6c54c6cb1226fa788036600bfc00db5af8e8aa7cc"},"schema_version":"1.0","source":{"id":"1806.00223","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00223","created_at":"2026-05-18T00:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00223v1","created_at":"2026-05-18T00:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00223","created_at":"2026-05-18T00:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"C5YRR3F7NF42","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"C5YRR3F7NF42R7DQ","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"C5YRR3F7","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:474f499c0c93b5beff9d0d4dde64e5d7dfa3e17fc17632785c3ad7d9f6e7c924","target":"graph","created_at":"2026-05-18T00:08:06Z","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":"Light with nonzero orbital angular momentum (OAM) or twisted light is promising for quantum communication applications such as OAM-entangled photonic qubits. There exist photonic OAM to photonic spin angular momentum (SAM), as well as photonic SAM to electronic SAM interfaces but not any direct photonic OAM-electronic SAM (flying to stationary) media converter within a single device. Here, we propose a scheme which converts photonic OAM to electronic SAM and vice versa within a single nanophotonic device. We employed a photonic crystal nanocavity with an embedded quantum dot (QD) which confine","authors_text":"Chee Fai Fong, Satoshi Iwamoto, Yasuhiko Arakawa, Yasutomo Ota","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-01T07:39:21Z","title":"Scheme for media conversion between electronic spin and photonic orbital angular momentum based on photonic nanocavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00223","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":"sha256:21a52f39cdaad5727ae18f2f5fbc10367af32fa9da322e09960e927af04089ee","target":"record","created_at":"2026-05-18T00:08:06Z","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":"dfea639a0aeb14c56f53b11c24f0f81a30d06819d69d1f9a7d1b6de0874e0c74","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-06-01T07:39:21Z","title_canon_sha256":"81722041d82b88a20685efb6c54c6cb1226fa788036600bfc00db5af8e8aa7cc"},"schema_version":"1.0","source":{"id":"1806.00223","kind":"arxiv","version":1}},"canonical_sha256":"177118ecbf6979a8fc708e44bb2374b9979810b212434e1d5322b54b3184cc1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"177118ecbf6979a8fc708e44bb2374b9979810b212434e1d5322b54b3184cc1f","first_computed_at":"2026-05-18T00:08:06.690426Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:06.690426Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/C555U8EdvOu67P6zTiJpGB6gkcIbGqE6/RSNA+LcPFH45mvkrVsb2cLvwew60msMRTxOwOBWdTVbV3h/3OkAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:06.690889Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.00223","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21a52f39cdaad5727ae18f2f5fbc10367af32fa9da322e09960e927af04089ee","sha256:474f499c0c93b5beff9d0d4dde64e5d7dfa3e17fc17632785c3ad7d9f6e7c924"],"state_sha256":"b45dbd324d00d635e8fc26f2c00152f56b30803c95b9c497eda51db462420107"}