{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JRC2G7QKUZWY7IFCLDNVEIN527","short_pith_number":"pith:JRC2G7QK","canonical_record":{"source":{"id":"1811.04717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-12T13:34:18Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"28316bf66adbef6a8cff4cb844ec0e4a7b1be2301452b1a021c1f041a2e0aca5","abstract_canon_sha256":"f388258c6fdffc806c4a5a4c2600d481a600813b0ea8c39e97eeba9caaecf6ee"},"schema_version":"1.0"},"canonical_sha256":"4c45a37e0aa66d8fa0a258db5221bdd7dba99c52eed20cf7dc5d3ed1cd852a61","source":{"kind":"arxiv","id":"1811.04717","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04717","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04717v1","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04717","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"pith_short_12","alias_value":"JRC2G7QKUZWY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JRC2G7QKUZWY7IFC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JRC2G7QK","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JRC2G7QKUZWY7IFCLDNVEIN527","target":"record","payload":{"canonical_record":{"source":{"id":"1811.04717","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-12T13:34:18Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"28316bf66adbef6a8cff4cb844ec0e4a7b1be2301452b1a021c1f041a2e0aca5","abstract_canon_sha256":"f388258c6fdffc806c4a5a4c2600d481a600813b0ea8c39e97eeba9caaecf6ee"},"schema_version":"1.0"},"canonical_sha256":"4c45a37e0aa66d8fa0a258db5221bdd7dba99c52eed20cf7dc5d3ed1cd852a61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:24.517147Z","signature_b64":"prwGFhZ9etVFec0P4QuAlc28z7wrDeBwJaXD15RCQsB7sPpUT0Dwt59XGySUhUqFtpRVa4Y1lL0RV9Ptde+7Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c45a37e0aa66d8fa0a258db5221bdd7dba99c52eed20cf7dc5d3ed1cd852a61","last_reissued_at":"2026-05-17T23:53:24.516579Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:24.516579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.04717","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":"2026-05-17T23:53:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X2oGUZP/IRV7q30p15VSvSLyJje4JmrIH7EuF+31dQHms/pKGpR+CS0KimpsvLhell4jJgSZSQ4q6LIagrUODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:54:04.515969Z"},"content_sha256":"a3953365b3d73289a388ad533296c7a9c2c3e48d3eb31f95900fe21658eb5367","schema_version":"1.0","event_id":"sha256:a3953365b3d73289a388ad533296c7a9c2c3e48d3eb31f95900fe21658eb5367"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JRC2G7QKUZWY7IFCLDNVEIN527","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Silicon Waveguides for High-Speed Optical Transmissions and Parametric Conversion around 2 $\\mu$m","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Bart Kuyken, Christophe Finot (LICB), Gunther Roelkens, Guy Millot (LICB), Julien Fatome (LICB), Kamal Hammani (LICB), Manon Lamy (LICB), Pierre Colman (LICB)","submitted_at":"2018-11-12T13:34:18Z","abstract_excerpt":"We show that single mode Si waveguides efficiently sustain high-speed transmissions at 2 $\\mu$m. We report the transmission of a 10 Gbit/s signal over 7 cm with a power penalty below 1 dB. Parametric conversion in the continuous wave regime is also demonstrated using the same waveguide structure with a conversion window over 70 nm and an efficiency as high as-25 dB that can be further increased in the pulsed pump regime."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04717","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":"2026-05-17T23:53:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TlMXsgWGT9Kxci/YLqXXT7u56vP741LLCy/Q4dUD8VnOc4/ACSiBBSnJIiRjK3CVeeeMaibtovQsRKG1jEhnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:54:04.516556Z"},"content_sha256":"140538654969423e2fa1047d08410943005ca6ab4b836d2f70a3987ae2d55a0f","schema_version":"1.0","event_id":"sha256:140538654969423e2fa1047d08410943005ca6ab4b836d2f70a3987ae2d55a0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JRC2G7QKUZWY7IFCLDNVEIN527/bundle.json","state_url":"https://pith.science/pith/JRC2G7QKUZWY7IFCLDNVEIN527/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JRC2G7QKUZWY7IFCLDNVEIN527/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":"2026-05-27T02:54:04Z","links":{"resolver":"https://pith.science/pith/JRC2G7QKUZWY7IFCLDNVEIN527","bundle":"https://pith.science/pith/JRC2G7QKUZWY7IFCLDNVEIN527/bundle.json","state":"https://pith.science/pith/JRC2G7QKUZWY7IFCLDNVEIN527/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JRC2G7QKUZWY7IFCLDNVEIN527/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JRC2G7QKUZWY7IFCLDNVEIN527","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":"f388258c6fdffc806c4a5a4c2600d481a600813b0ea8c39e97eeba9caaecf6ee","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-12T13:34:18Z","title_canon_sha256":"28316bf66adbef6a8cff4cb844ec0e4a7b1be2301452b1a021c1f041a2e0aca5"},"schema_version":"1.0","source":{"id":"1811.04717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04717","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04717v1","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04717","created_at":"2026-05-17T23:53:24Z"},{"alias_kind":"pith_short_12","alias_value":"JRC2G7QKUZWY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JRC2G7QKUZWY7IFC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JRC2G7QK","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:140538654969423e2fa1047d08410943005ca6ab4b836d2f70a3987ae2d55a0f","target":"graph","created_at":"2026-05-17T23:53:24Z","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 show that single mode Si waveguides efficiently sustain high-speed transmissions at 2 $\\mu$m. We report the transmission of a 10 Gbit/s signal over 7 cm with a power penalty below 1 dB. Parametric conversion in the continuous wave regime is also demonstrated using the same waveguide structure with a conversion window over 70 nm and an efficiency as high as-25 dB that can be further increased in the pulsed pump regime.","authors_text":"Bart Kuyken, Christophe Finot (LICB), Gunther Roelkens, Guy Millot (LICB), Julien Fatome (LICB), Kamal Hammani (LICB), Manon Lamy (LICB), Pierre Colman (LICB)","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-12T13:34:18Z","title":"Silicon Waveguides for High-Speed Optical Transmissions and Parametric Conversion around 2 $\\mu$m"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04717","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:a3953365b3d73289a388ad533296c7a9c2c3e48d3eb31f95900fe21658eb5367","target":"record","created_at":"2026-05-17T23:53:24Z","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":"f388258c6fdffc806c4a5a4c2600d481a600813b0ea8c39e97eeba9caaecf6ee","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-11-12T13:34:18Z","title_canon_sha256":"28316bf66adbef6a8cff4cb844ec0e4a7b1be2301452b1a021c1f041a2e0aca5"},"schema_version":"1.0","source":{"id":"1811.04717","kind":"arxiv","version":1}},"canonical_sha256":"4c45a37e0aa66d8fa0a258db5221bdd7dba99c52eed20cf7dc5d3ed1cd852a61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c45a37e0aa66d8fa0a258db5221bdd7dba99c52eed20cf7dc5d3ed1cd852a61","first_computed_at":"2026-05-17T23:53:24.516579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:24.516579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"prwGFhZ9etVFec0P4QuAlc28z7wrDeBwJaXD15RCQsB7sPpUT0Dwt59XGySUhUqFtpRVa4Y1lL0RV9Ptde+7Bw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:24.517147Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.04717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3953365b3d73289a388ad533296c7a9c2c3e48d3eb31f95900fe21658eb5367","sha256:140538654969423e2fa1047d08410943005ca6ab4b836d2f70a3987ae2d55a0f"],"state_sha256":"6521112f57441b41cd30251dd5cab92e47f240a36846c9704ae705e6b7169885"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eXTf9AC/2OHQ/nVIRXyQuFKCmtbIz9pmJZz92O2honU3MobOqvUb7C1GHjLB0A7ISSkQQxCWjcrjsyS4T0wKBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:54:04.520281Z","bundle_sha256":"4d47213795ae6a9034abf34f65f74e096fe5f4e79c98357972be26ca0d1ff6cc"}}