{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:FCB333S7S4YKDNEXEREK45VSA2","short_pith_number":"pith:FCB333S7","schema_version":"1.0","canonical_sha256":"2883bdee5f9730a1b4972448ae76b206820b6faa2001be0e3560213832664833","source":{"kind":"arxiv","id":"2006.12280","version":2},"attestation_state":"computed","paper":{"title":"Multi-band programmable gain Raman amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"Andrea Carena, Ann Margareth Rosa Brusin, Darko Zibar, Francesco Da Ros, Lukasz Krzczanowicz, Md Asif Iqbal, Morteza Kamalian, Sergei Turitsyn, Uiara Celine de Moura, Wladek Forysiak","submitted_at":"2020-06-22T14:09:23Z","abstract_excerpt":"Optical communication systems, operating in C-band, are reaching their theoretically achievable capacity limits. An attractive and economically viable solution to satisfy the future data rate demands is to employ the transmission across the full low-loss spectrum encompassing O, E, S, C and L band of the single mode fibers (SMF). Utilizing all five bands offers a bandwidth of up to $\\sim$53.5THz (365nm) with loss below 0.4dB/km. A key component in realizing multi-band optical communication systems is the optical amplifier. Apart from having an ultra-wide gain profile, the ability of providing "},"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":"2006.12280","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-06-22T14:09:23Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"dec0f50a9da4b1a6e6602c5d5884b865497c7ce6831dc179f2d7907944c7eeb0","abstract_canon_sha256":"f8d00bb0ce41f0f1950d0d6b4cffae2c606311dab94c18e74b558e8e28a64e67"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:20:13.908962Z","signature_b64":"RCOumFDCwD4SXfYdO3ULBQFDA1AAPeVIVvByT6lJV1Rb8zGhYxNvXqYpLZEAvOiVa1aIjrtXyuGwcHYFBw/dDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2883bdee5f9730a1b4972448ae76b206820b6faa2001be0e3560213832664833","last_reissued_at":"2026-07-05T02:20:13.908535Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:20:13.908535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi-band programmable gain Raman amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.app-ph","authors_text":"Andrea Carena, Ann Margareth Rosa Brusin, Darko Zibar, Francesco Da Ros, Lukasz Krzczanowicz, Md Asif Iqbal, Morteza Kamalian, Sergei Turitsyn, Uiara Celine de Moura, Wladek Forysiak","submitted_at":"2020-06-22T14:09:23Z","abstract_excerpt":"Optical communication systems, operating in C-band, are reaching their theoretically achievable capacity limits. An attractive and economically viable solution to satisfy the future data rate demands is to employ the transmission across the full low-loss spectrum encompassing O, E, S, C and L band of the single mode fibers (SMF). Utilizing all five bands offers a bandwidth of up to $\\sim$53.5THz (365nm) with loss below 0.4dB/km. A key component in realizing multi-band optical communication systems is the optical amplifier. Apart from having an ultra-wide gain profile, the ability of providing "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.12280","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2006.12280/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2006.12280","created_at":"2026-07-05T02:20:13.908602+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.12280v2","created_at":"2026-07-05T02:20:13.908602+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.12280","created_at":"2026-07-05T02:20:13.908602+00:00"},{"alias_kind":"pith_short_12","alias_value":"FCB333S7S4YK","created_at":"2026-07-05T02:20:13.908602+00:00"},{"alias_kind":"pith_short_16","alias_value":"FCB333S7S4YKDNEX","created_at":"2026-07-05T02:20:13.908602+00:00"},{"alias_kind":"pith_short_8","alias_value":"FCB333S7","created_at":"2026-07-05T02:20:13.908602+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/FCB333S7S4YKDNEXEREK45VSA2","json":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2.json","graph_json":"https://pith.science/api/pith-number/FCB333S7S4YKDNEXEREK45VSA2/graph.json","events_json":"https://pith.science/api/pith-number/FCB333S7S4YKDNEXEREK45VSA2/events.json","paper":"https://pith.science/paper/FCB333S7"},"agent_actions":{"view_html":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2","download_json":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2.json","view_paper":"https://pith.science/paper/FCB333S7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.12280&json=true","fetch_graph":"https://pith.science/api/pith-number/FCB333S7S4YKDNEXEREK45VSA2/graph.json","fetch_events":"https://pith.science/api/pith-number/FCB333S7S4YKDNEXEREK45VSA2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2/action/storage_attestation","attest_author":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2/action/author_attestation","sign_citation":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2/action/citation_signature","submit_replication":"https://pith.science/pith/FCB333S7S4YKDNEXEREK45VSA2/action/replication_record"}},"created_at":"2026-07-05T02:20:13.908602+00:00","updated_at":"2026-07-05T02:20:13.908602+00:00"}