{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ZSY3INE5ZMQUZNQVLEBDYVWXZY","short_pith_number":"pith:ZSY3INE5","canonical_record":{"source":{"id":"1208.0765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-03T14:48:19Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"title_canon_sha256":"fbfded69a243044f62dcd68a94a16c7c31255e010fa9f131b49955dbc78d2397","abstract_canon_sha256":"fc1c5ec6cedd69d6455789573cb8be30df4b87b0dde0e0aaf58fe32331320142"},"schema_version":"1.0"},"canonical_sha256":"ccb1b4349dcb214cb61559023c56d7ce1a5c3bfb49a29868bfca0e3341d5e071","source":{"kind":"arxiv","id":"1208.0765","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0765","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0765v1","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0765","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZSY3INE5ZMQU","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZSY3INE5ZMQUZNQV","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZSY3INE5","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ZSY3INE5ZMQUZNQVLEBDYVWXZY","target":"record","payload":{"canonical_record":{"source":{"id":"1208.0765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-03T14:48:19Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"title_canon_sha256":"fbfded69a243044f62dcd68a94a16c7c31255e010fa9f131b49955dbc78d2397","abstract_canon_sha256":"fc1c5ec6cedd69d6455789573cb8be30df4b87b0dde0e0aaf58fe32331320142"},"schema_version":"1.0"},"canonical_sha256":"ccb1b4349dcb214cb61559023c56d7ce1a5c3bfb49a29868bfca0e3341d5e071","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:23.322398Z","signature_b64":"4Z+OBuasoQq6OUtViiIhf+NdnQYWxKg6fzgqz4/nauzib3bC8igX0nDpO1Fk+QRuxDf4NAAY3ODvchBkfTpWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccb1b4349dcb214cb61559023c56d7ce1a5c3bfb49a29868bfca0e3341d5e071","last_reissued_at":"2026-05-18T01:55:23.321640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:23.321640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.0765","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WUBPRmQ0ME0l7lvNC5T6YMKmdrtIxzxDHbNwWSFX+6IHqJXBQZpehq80naUn45jB/o8CIVmEliITrqOgTrq0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:14:51.650363Z"},"content_sha256":"0a70a23f85b8623cc04a7818aadc6996ce8acfd5671c817adccbc2860bd6c7f7","schema_version":"1.0","event_id":"sha256:0a70a23f85b8623cc04a7818aadc6996ce8acfd5671c817adccbc2860bd6c7f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ZSY3INE5ZMQUZNQVLEBDYVWXZY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From Classical Four-Wave Mixing to Parametric Fluorescence in Silicon micro-ring resonators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"primary_cat":"quant-ph","authors_text":"Daniele Bajoni, Davide Grassani, J. E. Sipe, L. G. Helt, Lucio Claudio Andreani, Marco Liscidini, Marc Sorel, Matteo Galli, Michael J. Strain, Stefano Azzini","submitted_at":"2012-08-03T14:48:19Z","abstract_excerpt":"Four-wave mixing can be stimulated or occur spontaneously. The first process is intrinsically much stronger, and well understood through classical nonlinear optics. The latter, also known as parametric fluorescence, can be explained only in the framework of a quantum theory of light. We experimentally demonstrate that, in a micro-ring resonator, there exists a simple relation between the efficiencies of these two processes, which is independent of the nonlinearity and size of the ring. In particular we show that the average power generated by parametric fluorescence can be immediately estimate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0765","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EuvPRAtgvl33NLnSThO95XJ+DSpsaaLOwabSFGEe/CUTdf1WR09PHDCAmm0ki/zrKrT8DHHiNA8PkOfVImYlCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:14:51.650731Z"},"content_sha256":"689d03ea2b4d5f03138500acdc53831f85f7591956c08dfdb04762fd2d0a829a","schema_version":"1.0","event_id":"sha256:689d03ea2b4d5f03138500acdc53831f85f7591956c08dfdb04762fd2d0a829a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/bundle.json","state_url":"https://pith.science/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T07:14:51Z","links":{"resolver":"https://pith.science/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY","bundle":"https://pith.science/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/bundle.json","state":"https://pith.science/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZSY3INE5ZMQUZNQVLEBDYVWXZY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZSY3INE5ZMQUZNQVLEBDYVWXZY","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":"fc1c5ec6cedd69d6455789573cb8be30df4b87b0dde0e0aaf58fe32331320142","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-03T14:48:19Z","title_canon_sha256":"fbfded69a243044f62dcd68a94a16c7c31255e010fa9f131b49955dbc78d2397"},"schema_version":"1.0","source":{"id":"1208.0765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.0765","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"arxiv_version","alias_value":"1208.0765v1","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0765","created_at":"2026-05-18T01:55:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZSY3INE5ZMQU","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZSY3INE5ZMQUZNQV","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZSY3INE5","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:689d03ea2b4d5f03138500acdc53831f85f7591956c08dfdb04762fd2d0a829a","target":"graph","created_at":"2026-05-18T01:55:23Z","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":"Four-wave mixing can be stimulated or occur spontaneously. The first process is intrinsically much stronger, and well understood through classical nonlinear optics. The latter, also known as parametric fluorescence, can be explained only in the framework of a quantum theory of light. We experimentally demonstrate that, in a micro-ring resonator, there exists a simple relation between the efficiencies of these two processes, which is independent of the nonlinearity and size of the ring. In particular we show that the average power generated by parametric fluorescence can be immediately estimate","authors_text":"Daniele Bajoni, Davide Grassani, J. E. Sipe, L. G. Helt, Lucio Claudio Andreani, Marco Liscidini, Marc Sorel, Matteo Galli, Michael J. Strain, Stefano Azzini","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-03T14:48:19Z","title":"From Classical Four-Wave Mixing to Parametric Fluorescence in Silicon micro-ring resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0765","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":"sha256:0a70a23f85b8623cc04a7818aadc6996ce8acfd5671c817adccbc2860bd6c7f7","target":"record","created_at":"2026-05-18T01:55:23Z","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":"fc1c5ec6cedd69d6455789573cb8be30df4b87b0dde0e0aaf58fe32331320142","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-03T14:48:19Z","title_canon_sha256":"fbfded69a243044f62dcd68a94a16c7c31255e010fa9f131b49955dbc78d2397"},"schema_version":"1.0","source":{"id":"1208.0765","kind":"arxiv","version":1}},"canonical_sha256":"ccb1b4349dcb214cb61559023c56d7ce1a5c3bfb49a29868bfca0e3341d5e071","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccb1b4349dcb214cb61559023c56d7ce1a5c3bfb49a29868bfca0e3341d5e071","first_computed_at":"2026-05-18T01:55:23.321640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:23.321640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4Z+OBuasoQq6OUtViiIhf+NdnQYWxKg6fzgqz4/nauzib3bC8igX0nDpO1Fk+QRuxDf4NAAY3ODvchBkfTpWBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:23.322398Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.0765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a70a23f85b8623cc04a7818aadc6996ce8acfd5671c817adccbc2860bd6c7f7","sha256:689d03ea2b4d5f03138500acdc53831f85f7591956c08dfdb04762fd2d0a829a"],"state_sha256":"916b6e8105fa8b59710c8a14e2aed147857c14f5e832af42e4f8b0e34a634d68"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FC1BjQpgUFJkfzfGX/Z74MmHcqa+z18xugpzL9vERQl+fl5gHpe/Pr6aWANwyTx5Gu8iWpTOADKpY1aJFu1bBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:14:51.652686Z","bundle_sha256":"3e75718acf2f137dfb9b21eb32e5e7a8a371e3a1901578a7bfc4f2c135a929cb"}}