{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:53IT2PTGJFVIUJVT2O5PM3UHEE","short_pith_number":"pith:53IT2PTG","schema_version":"1.0","canonical_sha256":"eed13d3e66496a8a26b3d3baf66e8721302ec23a9341333ceeacdd95487e841b","source":{"kind":"arxiv","id":"0903.2827","version":1},"attestation_state":"computed","paper":{"title":"Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Daniel Dolfi (Thales R&T), Fabien Bretenaker (LAC), Ghaya Baili (Thales R&T), Isabelle Sagnes (LPN), Mehdi Alouini (IPR & Thales R&T), Thierry Malherbe (Thales R&T)","submitted_at":"2009-03-16T18:28:25Z","abstract_excerpt":"The transition between the class-B and class-A dynamical behaviors of a semiconductor laser is directly observed by continuously controlling the lifetime of the photons in a cavity of sub-millimetric to centimetric length. It is experimentally and theoretically proved that the transition from a resonant to an overdamped behavior occurs progressively, without any discontinuity. In particular, the intermediate regime is found to exhibit features typical from both the class-A and class-B regimes. The laser intensity noise is proved to be a powerful probe of the laser dynamical behavior."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0903.2827","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2009-03-16T18:28:25Z","cross_cats_sorted":[],"title_canon_sha256":"1b857d3648c0a7b34dfbb1e30fee3011ae3032cb8bbec23dd1dbe8305778cd23","abstract_canon_sha256":"b490461fa8783ed77705f688db04833080845f406e96a65866f46bf247d5ee6b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:27.944486Z","signature_b64":"VcZpQhKU2lphPcGy4URYp6zgXfgjfv5NPG1fYiTF1mNDSUzyaQ2HAQu5F7ARd/nV9WfJ3se0WJ48N0J0nxwqAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eed13d3e66496a8a26b3d3baf66e8721302ec23a9341333ceeacdd95487e841b","last_reissued_at":"2026-05-18T02:14:27.944089Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:27.944089Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Daniel Dolfi (Thales R&T), Fabien Bretenaker (LAC), Ghaya Baili (Thales R&T), Isabelle Sagnes (LPN), Mehdi Alouini (IPR & Thales R&T), Thierry Malherbe (Thales R&T)","submitted_at":"2009-03-16T18:28:25Z","abstract_excerpt":"The transition between the class-B and class-A dynamical behaviors of a semiconductor laser is directly observed by continuously controlling the lifetime of the photons in a cavity of sub-millimetric to centimetric length. It is experimentally and theoretically proved that the transition from a resonant to an overdamped behavior occurs progressively, without any discontinuity. In particular, the intermediate regime is found to exhibit features typical from both the class-A and class-B regimes. The laser intensity noise is proved to be a powerful probe of the laser dynamical behavior."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.2827","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0903.2827","created_at":"2026-05-18T02:14:27.944142+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.2827v1","created_at":"2026-05-18T02:14:27.944142+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.2827","created_at":"2026-05-18T02:14:27.944142+00:00"},{"alias_kind":"pith_short_12","alias_value":"53IT2PTGJFVI","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"53IT2PTGJFVIUJVT","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"53IT2PTG","created_at":"2026-05-18T12:25:58.837520+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE","json":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE.json","graph_json":"https://pith.science/api/pith-number/53IT2PTGJFVIUJVT2O5PM3UHEE/graph.json","events_json":"https://pith.science/api/pith-number/53IT2PTGJFVIUJVT2O5PM3UHEE/events.json","paper":"https://pith.science/paper/53IT2PTG"},"agent_actions":{"view_html":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE","download_json":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE.json","view_paper":"https://pith.science/paper/53IT2PTG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.2827&json=true","fetch_graph":"https://pith.science/api/pith-number/53IT2PTGJFVIUJVT2O5PM3UHEE/graph.json","fetch_events":"https://pith.science/api/pith-number/53IT2PTGJFVIUJVT2O5PM3UHEE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE/action/storage_attestation","attest_author":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE/action/author_attestation","sign_citation":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE/action/citation_signature","submit_replication":"https://pith.science/pith/53IT2PTGJFVIUJVT2O5PM3UHEE/action/replication_record"}},"created_at":"2026-05-18T02:14:27.944142+00:00","updated_at":"2026-05-18T02:14:27.944142+00:00"}