{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BNT6DBX573SXXNMRUPROCAN5EP","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":"251aa2106dc685bab701c2db9b5fdd3e47e1233134c5b3e8e8b03cc9fa2e57de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-08-07T05:55:23Z","title_canon_sha256":"18f1203eee62b549eae95364561cc6a04bf267aac42dcc62dd43d46cbb66524d"},"schema_version":"1.0","source":{"id":"1808.08828","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.08828","created_at":"2026-05-18T00:07:13Z"},{"alias_kind":"arxiv_version","alias_value":"1808.08828v1","created_at":"2026-05-18T00:07:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.08828","created_at":"2026-05-18T00:07:13Z"},{"alias_kind":"pith_short_12","alias_value":"BNT6DBX573SX","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BNT6DBX573SXXNMR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BNT6DBX5","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:e833a327ef5475fa395e2add40308aed35877e1528c151c591ea640ce583816e","target":"graph","created_at":"2026-05-18T00:07:13Z","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":"We demonstrate narrowband orthogonally polarized optical RF single sideband generation as well as dual-channel equalization based on an integrated dual-polarization-mode high-Q microring resonator. The device operates in the optical communications band and enables narrowband RF operation at either 16.6 GHz or 32.2 GHz, determined by the free spectral range and TE/TM mode interval in the resonator. We achieve a very large dynamic tuning range of over 55 dB for both the optical carrier-to-sideband ratio and the dual-channel RF equalization.","authors_text":"Arnan Mitchell, Brent E. Little, David J. Moss, Jiayang Wu, Mengxi Tan, Roberto Morandotti, Sai T. Chu, Thach G. Nguyen, Xingyuan Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-08-07T05:55:23Z","title":"Photonic single sideband RF generator based on an integrated optical micro-ring resonator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.08828","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":"sha256:3486d1d26ecac92354ba62eec8d71ec5831c21cbc7c6ad9b51f1b4703870e4bb","target":"record","created_at":"2026-05-18T00:07:13Z","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":"251aa2106dc685bab701c2db9b5fdd3e47e1233134c5b3e8e8b03cc9fa2e57de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-08-07T05:55:23Z","title_canon_sha256":"18f1203eee62b549eae95364561cc6a04bf267aac42dcc62dd43d46cbb66524d"},"schema_version":"1.0","source":{"id":"1808.08828","kind":"arxiv","version":1}},"canonical_sha256":"0b67e186fdfee57bb591a3e2e101bd23f5977c9f14a36726b2f46955bf6c0e9c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b67e186fdfee57bb591a3e2e101bd23f5977c9f14a36726b2f46955bf6c0e9c","first_computed_at":"2026-05-18T00:07:13.115104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:13.115104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MWAji9gV+oAFuAlqrG9x8r6A10DwIk2ncWDLWeGaieKRvcmq6HuTVrOn4CF6k/HyRwd2mZxPuTHp6ONkr/2qCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:13.115564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.08828","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3486d1d26ecac92354ba62eec8d71ec5831c21cbc7c6ad9b51f1b4703870e4bb","sha256:e833a327ef5475fa395e2add40308aed35877e1528c151c591ea640ce583816e"],"state_sha256":"2fd139cc9d0c92863883d6c6da454b98797592bce34b58480843acfe26d96cf3"}