{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EZISLEZWJOVT5N3TH66WHRMV7X","short_pith_number":"pith:EZISLEZW","canonical_record":{"source":{"id":"1711.09583","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-27T08:46:54Z","cross_cats_sorted":[],"title_canon_sha256":"18f12d6b6978d146bb5597afdbbb882537b85dea3b3645782d10e1e8806d2a61","abstract_canon_sha256":"24eae0ee2dbf915b0142da80513b5a1f8666c92df162a1660ffc8d052c71e15c"},"schema_version":"1.0"},"canonical_sha256":"26512593364bab3eb7733fbd63c595fdce5f7f8747137aeac1e04f0eddf0fce1","source":{"kind":"arxiv","id":"1711.09583","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.09583","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1711.09583v2","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.09583","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"EZISLEZWJOVT","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EZISLEZWJOVT5N3T","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EZISLEZW","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EZISLEZWJOVT5N3TH66WHRMV7X","target":"record","payload":{"canonical_record":{"source":{"id":"1711.09583","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-27T08:46:54Z","cross_cats_sorted":[],"title_canon_sha256":"18f12d6b6978d146bb5597afdbbb882537b85dea3b3645782d10e1e8806d2a61","abstract_canon_sha256":"24eae0ee2dbf915b0142da80513b5a1f8666c92df162a1660ffc8d052c71e15c"},"schema_version":"1.0"},"canonical_sha256":"26512593364bab3eb7733fbd63c595fdce5f7f8747137aeac1e04f0eddf0fce1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:16.818754Z","signature_b64":"k8zk3N9nV3O9Epkb8AD4bfeH6mG2CiYlUVoToIFEcdRcNKQA3W2//HGQPNqJeLe69kxSiF8EG0UzADRtig6CAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26512593364bab3eb7733fbd63c595fdce5f7f8747137aeac1e04f0eddf0fce1","last_reissued_at":"2026-05-18T00:19:16.818043Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:16.818043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.09583","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aak+bWVBJ6OOSKqx2CRiJodaG4Ow8H1RUllxLbaDd6gvxLYUeY5k5vN6nPK5C5axLa4YLTLsMkip4MlKFkbUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:07.161525Z"},"content_sha256":"bc351c18932701237e7ec6d1ca438e5673e01cb5a9bf6f0bad858233a6aa441a","schema_version":"1.0","event_id":"sha256:bc351c18932701237e7ec6d1ca438e5673e01cb5a9bf6f0bad858233a6aa441a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EZISLEZWJOVT5N3TH66WHRMV7X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An All Passive Architecture for High Efficiency Cascaded Raman Conversion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"G Chayran, S Arun, V Balaswamy, V R Supradeepa","submitted_at":"2017-11-27T08:46:54Z","abstract_excerpt":"Cascaded Raman fiber lasers have offered a convenient method to obtain scalable, high-power sources at various wavelength regions inaccessible with rare-earth doped fiber lasers. A limitation previously was the reduced efficiency of these lasers. Recently, new architectures have been proposed to enhance efficiency, but this came at the cost of enhanced complexity, requiring an additional low-power, cascaded Raman laser. In this work, we overcome this with a new, all-passive architecture for high-efficiency cascaded Raman conversion. We demonstrate our architecture with a fifth-order cascaded R"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.09583","kind":"arxiv","version":2},"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":"2026-05-18T00:19:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"otll30p5b+so1pWaBHw51kjxZZKaYBVZy0gI3069JwFpWWY0N7vepItekkGqZGSuT5TpZtnHuRoXQVOdp+VsAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:59:07.161877Z"},"content_sha256":"d43a6664f131196e85bed0e478fde64a453eca0395a747195eda3ca39c08b49f","schema_version":"1.0","event_id":"sha256:d43a6664f131196e85bed0e478fde64a453eca0395a747195eda3ca39c08b49f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EZISLEZWJOVT5N3TH66WHRMV7X/bundle.json","state_url":"https://pith.science/pith/EZISLEZWJOVT5N3TH66WHRMV7X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EZISLEZWJOVT5N3TH66WHRMV7X/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":"2026-06-02T07:59:07Z","links":{"resolver":"https://pith.science/pith/EZISLEZWJOVT5N3TH66WHRMV7X","bundle":"https://pith.science/pith/EZISLEZWJOVT5N3TH66WHRMV7X/bundle.json","state":"https://pith.science/pith/EZISLEZWJOVT5N3TH66WHRMV7X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EZISLEZWJOVT5N3TH66WHRMV7X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EZISLEZWJOVT5N3TH66WHRMV7X","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":"24eae0ee2dbf915b0142da80513b5a1f8666c92df162a1660ffc8d052c71e15c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-27T08:46:54Z","title_canon_sha256":"18f12d6b6978d146bb5597afdbbb882537b85dea3b3645782d10e1e8806d2a61"},"schema_version":"1.0","source":{"id":"1711.09583","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.09583","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"arxiv_version","alias_value":"1711.09583v2","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.09583","created_at":"2026-05-18T00:19:16Z"},{"alias_kind":"pith_short_12","alias_value":"EZISLEZWJOVT","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EZISLEZWJOVT5N3T","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EZISLEZW","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:d43a6664f131196e85bed0e478fde64a453eca0395a747195eda3ca39c08b49f","target":"graph","created_at":"2026-05-18T00:19:16Z","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":"Cascaded Raman fiber lasers have offered a convenient method to obtain scalable, high-power sources at various wavelength regions inaccessible with rare-earth doped fiber lasers. A limitation previously was the reduced efficiency of these lasers. Recently, new architectures have been proposed to enhance efficiency, but this came at the cost of enhanced complexity, requiring an additional low-power, cascaded Raman laser. In this work, we overcome this with a new, all-passive architecture for high-efficiency cascaded Raman conversion. We demonstrate our architecture with a fifth-order cascaded R","authors_text":"G Chayran, S Arun, V Balaswamy, V R Supradeepa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-27T08:46:54Z","title":"An All Passive Architecture for High Efficiency Cascaded Raman Conversion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.09583","kind":"arxiv","version":2},"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:bc351c18932701237e7ec6d1ca438e5673e01cb5a9bf6f0bad858233a6aa441a","target":"record","created_at":"2026-05-18T00:19:16Z","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":"24eae0ee2dbf915b0142da80513b5a1f8666c92df162a1660ffc8d052c71e15c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-11-27T08:46:54Z","title_canon_sha256":"18f12d6b6978d146bb5597afdbbb882537b85dea3b3645782d10e1e8806d2a61"},"schema_version":"1.0","source":{"id":"1711.09583","kind":"arxiv","version":2}},"canonical_sha256":"26512593364bab3eb7733fbd63c595fdce5f7f8747137aeac1e04f0eddf0fce1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26512593364bab3eb7733fbd63c595fdce5f7f8747137aeac1e04f0eddf0fce1","first_computed_at":"2026-05-18T00:19:16.818043Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:16.818043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k8zk3N9nV3O9Epkb8AD4bfeH6mG2CiYlUVoToIFEcdRcNKQA3W2//HGQPNqJeLe69kxSiF8EG0UzADRtig6CAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:16.818754Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.09583","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc351c18932701237e7ec6d1ca438e5673e01cb5a9bf6f0bad858233a6aa441a","sha256:d43a6664f131196e85bed0e478fde64a453eca0395a747195eda3ca39c08b49f"],"state_sha256":"ed59232d3ccac57243c5815fdc4284c7f1cbd3b4fddf111f5dcc618b8f01999a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"swYyKmmeSH57dxNqwwg5XiEJRyjloTkfy7sBTx/tw5Ll7JIEpttysjhMcIp1fC52MYFkceD68oBkw5zBqMJgBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:59:07.163847Z","bundle_sha256":"403a1e6f56eef7c691a4f152d2a9ff356ce0c376531f2f32f2475f19ff742426"}}