{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JGAUPEVDXHVYONFH3SL5RCFN2H","short_pith_number":"pith:JGAUPEVD","canonical_record":{"source":{"id":"1803.09209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-25T06:44:58Z","cross_cats_sorted":[],"title_canon_sha256":"d1908b16b1baf1cb95df91e45a8f5c2629d2393149aa07f90fde0ddfde0d443e","abstract_canon_sha256":"09e32dbd18b5c2183d472173de01618ef9420af27b5d61e16b207464d4df31e8"},"schema_version":"1.0"},"canonical_sha256":"49814792a3b9eb8734a7dc97d888add1f84b33c84eb4324a4fdfc53d16fbc1ab","source":{"kind":"arxiv","id":"1803.09209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.09209","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"arxiv_version","alias_value":"1803.09209v1","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.09209","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"pith_short_12","alias_value":"JGAUPEVDXHVY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGAUPEVDXHVYONFH","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGAUPEVD","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JGAUPEVDXHVYONFH3SL5RCFN2H","target":"record","payload":{"canonical_record":{"source":{"id":"1803.09209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-25T06:44:58Z","cross_cats_sorted":[],"title_canon_sha256":"d1908b16b1baf1cb95df91e45a8f5c2629d2393149aa07f90fde0ddfde0d443e","abstract_canon_sha256":"09e32dbd18b5c2183d472173de01618ef9420af27b5d61e16b207464d4df31e8"},"schema_version":"1.0"},"canonical_sha256":"49814792a3b9eb8734a7dc97d888add1f84b33c84eb4324a4fdfc53d16fbc1ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:12.268463Z","signature_b64":"dCz3iKba2WATd376XPE4Zq5CLjGyiPhMpwMExSva3/QwgPiCsigGR1Qd3g1JpAXp4vaAfAP8GMF7irDVwqK7Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49814792a3b9eb8734a7dc97d888add1f84b33c84eb4324a4fdfc53d16fbc1ab","last_reissued_at":"2026-05-18T00:20:12.267819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:12.267819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.09209","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":"2026-05-18T00:20:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p0l0EMjyhKfoi++hXttM5BOV3sQwkD6GHQsC3/hdCpLFugbMQPoV0CkL1/kKgOzIDqKmBhcWzyTl8ffWe/MxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:18:01.096565Z"},"content_sha256":"4e34f76ac03f3edce16de755ee16fdc191444d11a11ad5207e55ddde2f66cff8","schema_version":"1.0","event_id":"sha256:4e34f76ac03f3edce16de755ee16fdc191444d11a11ad5207e55ddde2f66cff8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JGAUPEVDXHVYONFH3SL5RCFN2H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Watt-level dysprosium fiber laser at 3.15 {\\mu}m with 73% slope efficiency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Fuerbach, D. D. Hudson, G. Bharathan, M. R. Majewski, R. I. Woodward, S. D. Jackson","submitted_at":"2018-03-25T06:44:58Z","abstract_excerpt":"Rare-earth-doped fiber lasers are emerging as promising high-power mid-infrared sources for the 2.6-3.0 {\\mu}m and 3.3-3.8 {\\mu}m regions based on erbium and holmium ions. The intermediate wavelength range, however, remains vastly underserved, despite prospects for important manufacturing and defense applications. Here, we demonstrate the potential of dysprosium-doped fiber to solve this problem, with a simple in-band pumped grating-stabilized linear cavity generating up to 1.06 W at 3.15 {\\mu}m. A slope efficiency of 73% with respect to launched power (77% relative to absorbed power) is achie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.09209","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":"2026-05-18T00:20:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PDz0FHWL366Yks3e7SwvBjZgnaJXBxi2kTjSHiLWwVH/SyNisbMDaI+rVh23tYKyXaoWkcwxx1OXYfAqZ92CDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:18:01.097298Z"},"content_sha256":"ce4cf0b36b2be18fd31fe8de97a4c497b79764bbc4d67e84613613958b97dcf9","schema_version":"1.0","event_id":"sha256:ce4cf0b36b2be18fd31fe8de97a4c497b79764bbc4d67e84613613958b97dcf9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/bundle.json","state_url":"https://pith.science/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/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":"2026-05-31T10:18:01Z","links":{"resolver":"https://pith.science/pith/JGAUPEVDXHVYONFH3SL5RCFN2H","bundle":"https://pith.science/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/bundle.json","state":"https://pith.science/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGAUPEVDXHVYONFH3SL5RCFN2H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JGAUPEVDXHVYONFH3SL5RCFN2H","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":"09e32dbd18b5c2183d472173de01618ef9420af27b5d61e16b207464d4df31e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-25T06:44:58Z","title_canon_sha256":"d1908b16b1baf1cb95df91e45a8f5c2629d2393149aa07f90fde0ddfde0d443e"},"schema_version":"1.0","source":{"id":"1803.09209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.09209","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"arxiv_version","alias_value":"1803.09209v1","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.09209","created_at":"2026-05-18T00:20:12Z"},{"alias_kind":"pith_short_12","alias_value":"JGAUPEVDXHVY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGAUPEVDXHVYONFH","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGAUPEVD","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:ce4cf0b36b2be18fd31fe8de97a4c497b79764bbc4d67e84613613958b97dcf9","target":"graph","created_at":"2026-05-18T00:20:12Z","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":"Rare-earth-doped fiber lasers are emerging as promising high-power mid-infrared sources for the 2.6-3.0 {\\mu}m and 3.3-3.8 {\\mu}m regions based on erbium and holmium ions. The intermediate wavelength range, however, remains vastly underserved, despite prospects for important manufacturing and defense applications. Here, we demonstrate the potential of dysprosium-doped fiber to solve this problem, with a simple in-band pumped grating-stabilized linear cavity generating up to 1.06 W at 3.15 {\\mu}m. A slope efficiency of 73% with respect to launched power (77% relative to absorbed power) is achie","authors_text":"A. Fuerbach, D. D. Hudson, G. Bharathan, M. R. Majewski, R. I. Woodward, S. D. Jackson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-25T06:44:58Z","title":"Watt-level dysprosium fiber laser at 3.15 {\\mu}m with 73% slope efficiency"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.09209","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":"sha256:4e34f76ac03f3edce16de755ee16fdc191444d11a11ad5207e55ddde2f66cff8","target":"record","created_at":"2026-05-18T00:20:12Z","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":"09e32dbd18b5c2183d472173de01618ef9420af27b5d61e16b207464d4df31e8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-03-25T06:44:58Z","title_canon_sha256":"d1908b16b1baf1cb95df91e45a8f5c2629d2393149aa07f90fde0ddfde0d443e"},"schema_version":"1.0","source":{"id":"1803.09209","kind":"arxiv","version":1}},"canonical_sha256":"49814792a3b9eb8734a7dc97d888add1f84b33c84eb4324a4fdfc53d16fbc1ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49814792a3b9eb8734a7dc97d888add1f84b33c84eb4324a4fdfc53d16fbc1ab","first_computed_at":"2026-05-18T00:20:12.267819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:12.267819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dCz3iKba2WATd376XPE4Zq5CLjGyiPhMpwMExSva3/QwgPiCsigGR1Qd3g1JpAXp4vaAfAP8GMF7irDVwqK7Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:12.268463Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.09209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e34f76ac03f3edce16de755ee16fdc191444d11a11ad5207e55ddde2f66cff8","sha256:ce4cf0b36b2be18fd31fe8de97a4c497b79764bbc4d67e84613613958b97dcf9"],"state_sha256":"380ac17bda9b672b902ed96ac80393b329880e52c3ed1cd40992f3b5a245a36a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w7FrQdfwXvOT1q22YnmzWfjF6xS8Yhy4MRdcRyc6Xs6qW0XeMWe0/IQLt/DMYMKJxxfhWKuor1fAJJ80mQgKDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T10:18:01.101114Z","bundle_sha256":"22cc82d346b9528ff7a8aab9e564728d2c58664349d54759caf6debc2bb46d63"}}