{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4WVWZFMQFJH5LOJ6QOWTVFWUFG","short_pith_number":"pith:4WVWZFMQ","schema_version":"1.0","canonical_sha256":"e5ab6c95902a4fd5b93e83ad3a96d429944f3097903875b8aa3be4e8f81e6ea8","source":{"kind":"arxiv","id":"1802.10020","version":1},"attestation_state":"computed","paper":{"title":"Sub-Hz Linewidth Photonic-Integrated Brillouin Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Daniel J. Blumenthal, Debapam Bose, Grant M. Brodnik, Peter T. Rakich, Ryan Behunin, Sarat Gundavarapu, Taran Huffman","submitted_at":"2018-02-27T16:51:37Z","abstract_excerpt":"Photonic systems and technologies traditionally relegated to table-top experiments are poised to make the leap from the laboratory to real-world applications through integration. Stimulated Brillouin scattering (SBS) lasers, through their unique linewidth narrowing properties, are an ideal candidate to create highly-coherent waveguide integrated sources. In particular, cascaded-order Brillouin lasers show promise for multi-line emission, low-noise microwave generation and other optical comb applications. Photonic integration of these lasers can dramatically improve their stability to environme"},"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":"1802.10020","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-02-27T16:51:37Z","cross_cats_sorted":[],"title_canon_sha256":"3864857d50fb4dda338ff0b3929ac0bdda9437e299eb838f0b9ca5922f565caa","abstract_canon_sha256":"9066f88b08381f94fb22f81a88a016860997a746d03b0ee0078d489dfd7d3110"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:07.669232Z","signature_b64":"74kR72F47yf8/WNnNT3VC9FeDTZvKvOpgQernBlm5477wh3Q9J/vJuNbGO4hgO/JfFeOaZq8sHPhQtRhkU8/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5ab6c95902a4fd5b93e83ad3a96d429944f3097903875b8aa3be4e8f81e6ea8","last_reissued_at":"2026-05-17T23:57:07.668761Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:07.668761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sub-Hz Linewidth Photonic-Integrated Brillouin Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Daniel J. Blumenthal, Debapam Bose, Grant M. Brodnik, Peter T. Rakich, Ryan Behunin, Sarat Gundavarapu, Taran Huffman","submitted_at":"2018-02-27T16:51:37Z","abstract_excerpt":"Photonic systems and technologies traditionally relegated to table-top experiments are poised to make the leap from the laboratory to real-world applications through integration. Stimulated Brillouin scattering (SBS) lasers, through their unique linewidth narrowing properties, are an ideal candidate to create highly-coherent waveguide integrated sources. In particular, cascaded-order Brillouin lasers show promise for multi-line emission, low-noise microwave generation and other optical comb applications. Photonic integration of these lasers can dramatically improve their stability to environme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.10020","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":"1802.10020","created_at":"2026-05-17T23:57:07.668841+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.10020v1","created_at":"2026-05-17T23:57:07.668841+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.10020","created_at":"2026-05-17T23:57:07.668841+00:00"},{"alias_kind":"pith_short_12","alias_value":"4WVWZFMQFJH5","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4WVWZFMQFJH5LOJ6","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4WVWZFMQ","created_at":"2026-05-18T12:32:05.422762+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/4WVWZFMQFJH5LOJ6QOWTVFWUFG","json":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG.json","graph_json":"https://pith.science/api/pith-number/4WVWZFMQFJH5LOJ6QOWTVFWUFG/graph.json","events_json":"https://pith.science/api/pith-number/4WVWZFMQFJH5LOJ6QOWTVFWUFG/events.json","paper":"https://pith.science/paper/4WVWZFMQ"},"agent_actions":{"view_html":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG","download_json":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG.json","view_paper":"https://pith.science/paper/4WVWZFMQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.10020&json=true","fetch_graph":"https://pith.science/api/pith-number/4WVWZFMQFJH5LOJ6QOWTVFWUFG/graph.json","fetch_events":"https://pith.science/api/pith-number/4WVWZFMQFJH5LOJ6QOWTVFWUFG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG/action/storage_attestation","attest_author":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG/action/author_attestation","sign_citation":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG/action/citation_signature","submit_replication":"https://pith.science/pith/4WVWZFMQFJH5LOJ6QOWTVFWUFG/action/replication_record"}},"created_at":"2026-05-17T23:57:07.668841+00:00","updated_at":"2026-05-17T23:57:07.668841+00:00"}