{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TYXSC4DHUPT33ASNVGNGWKUGW4","short_pith_number":"pith:TYXSC4DH","canonical_record":{"source":{"id":"1809.04685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-12T21:29:53Z","cross_cats_sorted":["physics.app-ph","physics.optics"],"title_canon_sha256":"5c66f8555e84d27e2cef585b70d53593f2dea2b14866c0c4a3ed309fc9c90ae6","abstract_canon_sha256":"e2c799f4f2cb285acbe86fee420e114156795b19797514dda905170ecc1a6d48"},"schema_version":"1.0"},"canonical_sha256":"9e2f217067a3e7bd824da99a6b2a86b709c892b02e01c77f3593b39d945b363e","source":{"kind":"arxiv","id":"1809.04685","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04685","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04685v1","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04685","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"pith_short_12","alias_value":"TYXSC4DHUPT3","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TYXSC4DHUPT33ASN","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TYXSC4DH","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TYXSC4DHUPT33ASNVGNGWKUGW4","target":"record","payload":{"canonical_record":{"source":{"id":"1809.04685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-12T21:29:53Z","cross_cats_sorted":["physics.app-ph","physics.optics"],"title_canon_sha256":"5c66f8555e84d27e2cef585b70d53593f2dea2b14866c0c4a3ed309fc9c90ae6","abstract_canon_sha256":"e2c799f4f2cb285acbe86fee420e114156795b19797514dda905170ecc1a6d48"},"schema_version":"1.0"},"canonical_sha256":"9e2f217067a3e7bd824da99a6b2a86b709c892b02e01c77f3593b39d945b363e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:50.020063Z","signature_b64":"Koe6LGr86xuSCgrt8okmlfyzQd/zsdDOUeY34Pgk77Wl9AXN3yaUaqWOW/oSoL04dvpTh58rc7n7284YdAmTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e2f217067a3e7bd824da99a6b2a86b709c892b02e01c77f3593b39d945b363e","last_reissued_at":"2026-05-18T00:05:50.019625Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:50.019625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.04685","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":"2026-05-18T00:05:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UtWLEeGfqgJ+SylfqcPlXDblVAz7SpwIRXjhpF8kqDraCLko62t1iRrdr6tngqyAsCqCp//sZf8O4V+xQp/vAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:50:35.709287Z"},"content_sha256":"93803bc26de4c32acf0b5d3230039d0121eab750b8c70615c1fe02cfd60b6943","schema_version":"1.0","event_id":"sha256:93803bc26de4c32acf0b5d3230039d0121eab750b8c70615c1fe02cfd60b6943"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TYXSC4DHUPT33ASNVGNGWKUGW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal Switching of Lasing Regimes in Heavily Doped Er3+ Fiber Lasers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander M. Smirnov, Alexander V. Dorofeenko, Alexey P. Bazakutsa, Igor A. Nechepurenko, Oleg V. Butov, Yuri K. Chamorovskiy","submitted_at":"2018-09-12T21:29:53Z","abstract_excerpt":"A pulsed regime of short-cavity, heavily erbium-doped fiber lasers is of high interest for its possible applications in telecommunications and sensorics. Here, we demonstrate these lasers in two configurations, distributed feedback laser and compare it with a classic Fabry-Perot type laser. We have managed to create lasers that function stably with cavities as small as 50 mm. Pulse properties such as amplitude, frequency and duration, are in a good agreement with our theoretical analysis, which takes into account spontaneous emission. We report the observation of the thermal switching effect, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04685","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":"2026-05-18T00:05:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpFWMv51ZKEcLnx2GaNteasMFtNEqf2zG2mHGLosO2E3gJZoiArVV+SuG2hqXogOGLNI1Gsoa9uHHmZY5tY+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T07:50:35.709974Z"},"content_sha256":"1f05851b916bed0afdafa8c1b593d85be5da68f1f1ca0748257a4cb196975a53","schema_version":"1.0","event_id":"sha256:1f05851b916bed0afdafa8c1b593d85be5da68f1f1ca0748257a4cb196975a53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/bundle.json","state_url":"https://pith.science/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/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":"2026-05-27T07:50:35Z","links":{"resolver":"https://pith.science/pith/TYXSC4DHUPT33ASNVGNGWKUGW4","bundle":"https://pith.science/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/bundle.json","state":"https://pith.science/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TYXSC4DHUPT33ASNVGNGWKUGW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TYXSC4DHUPT33ASNVGNGWKUGW4","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":"e2c799f4f2cb285acbe86fee420e114156795b19797514dda905170ecc1a6d48","cross_cats_sorted":["physics.app-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-12T21:29:53Z","title_canon_sha256":"5c66f8555e84d27e2cef585b70d53593f2dea2b14866c0c4a3ed309fc9c90ae6"},"schema_version":"1.0","source":{"id":"1809.04685","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04685","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04685v1","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04685","created_at":"2026-05-18T00:05:50Z"},{"alias_kind":"pith_short_12","alias_value":"TYXSC4DHUPT3","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TYXSC4DHUPT33ASN","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TYXSC4DH","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:1f05851b916bed0afdafa8c1b593d85be5da68f1f1ca0748257a4cb196975a53","target":"graph","created_at":"2026-05-18T00:05:50Z","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":"A pulsed regime of short-cavity, heavily erbium-doped fiber lasers is of high interest for its possible applications in telecommunications and sensorics. Here, we demonstrate these lasers in two configurations, distributed feedback laser and compare it with a classic Fabry-Perot type laser. We have managed to create lasers that function stably with cavities as small as 50 mm. Pulse properties such as amplitude, frequency and duration, are in a good agreement with our theoretical analysis, which takes into account spontaneous emission. We report the observation of the thermal switching effect, ","authors_text":"Alexander M. Smirnov, Alexander V. Dorofeenko, Alexey P. Bazakutsa, Igor A. Nechepurenko, Oleg V. Butov, Yuri K. Chamorovskiy","cross_cats":["physics.app-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-12T21:29:53Z","title":"Thermal Switching of Lasing Regimes in Heavily Doped Er3+ Fiber Lasers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04685","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":"sha256:93803bc26de4c32acf0b5d3230039d0121eab750b8c70615c1fe02cfd60b6943","target":"record","created_at":"2026-05-18T00:05:50Z","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":"e2c799f4f2cb285acbe86fee420e114156795b19797514dda905170ecc1a6d48","cross_cats_sorted":["physics.app-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-12T21:29:53Z","title_canon_sha256":"5c66f8555e84d27e2cef585b70d53593f2dea2b14866c0c4a3ed309fc9c90ae6"},"schema_version":"1.0","source":{"id":"1809.04685","kind":"arxiv","version":1}},"canonical_sha256":"9e2f217067a3e7bd824da99a6b2a86b709c892b02e01c77f3593b39d945b363e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e2f217067a3e7bd824da99a6b2a86b709c892b02e01c77f3593b39d945b363e","first_computed_at":"2026-05-18T00:05:50.019625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:50.019625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Koe6LGr86xuSCgrt8okmlfyzQd/zsdDOUeY34Pgk77Wl9AXN3yaUaqWOW/oSoL04dvpTh58rc7n7284YdAmTAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:50.020063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04685","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93803bc26de4c32acf0b5d3230039d0121eab750b8c70615c1fe02cfd60b6943","sha256:1f05851b916bed0afdafa8c1b593d85be5da68f1f1ca0748257a4cb196975a53"],"state_sha256":"55c641552ac41fd5237bd5cbae7ec82d32486fbc7e58bd99cf8fee25f9242d20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OkDHOYWcajpqEjfb4QaoLBRXOXgih/OXstKpIxl3lRR3pHUS0MiOX4rQPTtmhRjESXZEQPBSTvBNAArrhBfrDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T07:50:35.712857Z","bundle_sha256":"e8b3671c308e71de113eb543401b32b6e887e00946e1d36dac3d989c0d4cfdd5"}}