{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:LQMOP7NLRKHROMGRFABT5OWWXY","short_pith_number":"pith:LQMOP7NL","schema_version":"1.0","canonical_sha256":"5c18e7fdab8a8f1730d128033ebad6be39f0bd6c92ce68804f655e54e3171c16","source":{"kind":"arxiv","id":"1812.10083","version":1},"attestation_state":"computed","paper":{"title":"Turbulence-Resistant All Optical Relaying Based on Few-Mode EDFA in Free-Space Optical Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Shanyong Cai, Xue Chen, Zhiguo Zhang","submitted_at":"2018-12-25T10:08:29Z","abstract_excerpt":"We investigate the communication performance of a few-mode EDFA based all-optical relaying system for atmospheric channels in this paper. A dual-hop free space optical communication model based on the relay with two-mode EDFA is derived. The BER performance is numerically calculated. Compared with all-optical relaying system with single-mode EDFA, the power budget is increased by 4 dB, 7.5 dB and 11.5 dB at BER = 1E-4 under the refractive index structure constant Cn2 = 2E-14, 5E-14 and 1E-13 respectively when a few mode fiber supporting 4 modes is utilized as the receiving fiber at the destina"},"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":"1812.10083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-12-25T10:08:29Z","cross_cats_sorted":[],"title_canon_sha256":"4dfe4d1d4eff3eb771fb513ad51adca057ea7c9828dac1cc02d66bf5968ba9ac","abstract_canon_sha256":"09df88f97658f2daa2bf44c944798c720e6d1743154d9043fb961023b734daf6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:31.403245Z","signature_b64":"vzYtDcGqTiQaS7tUwAZF4Qga4vGde9u3CovlvvWm+JW21w03gTaoxtpVdP3E4sokBnzcexUvVi8YoOLgSBSDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c18e7fdab8a8f1730d128033ebad6be39f0bd6c92ce68804f655e54e3171c16","last_reissued_at":"2026-05-17T23:45:31.402637Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:31.402637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Turbulence-Resistant All Optical Relaying Based on Few-Mode EDFA in Free-Space Optical Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Shanyong Cai, Xue Chen, Zhiguo Zhang","submitted_at":"2018-12-25T10:08:29Z","abstract_excerpt":"We investigate the communication performance of a few-mode EDFA based all-optical relaying system for atmospheric channels in this paper. A dual-hop free space optical communication model based on the relay with two-mode EDFA is derived. The BER performance is numerically calculated. Compared with all-optical relaying system with single-mode EDFA, the power budget is increased by 4 dB, 7.5 dB and 11.5 dB at BER = 1E-4 under the refractive index structure constant Cn2 = 2E-14, 5E-14 and 1E-13 respectively when a few mode fiber supporting 4 modes is utilized as the receiving fiber at the destina"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10083","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":"1812.10083","created_at":"2026-05-17T23:45:31.402740+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.10083v1","created_at":"2026-05-17T23:45:31.402740+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10083","created_at":"2026-05-17T23:45:31.402740+00:00"},{"alias_kind":"pith_short_12","alias_value":"LQMOP7NLRKHR","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"LQMOP7NLRKHROMGR","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"LQMOP7NL","created_at":"2026-05-18T12:32:37.024351+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/LQMOP7NLRKHROMGRFABT5OWWXY","json":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY.json","graph_json":"https://pith.science/api/pith-number/LQMOP7NLRKHROMGRFABT5OWWXY/graph.json","events_json":"https://pith.science/api/pith-number/LQMOP7NLRKHROMGRFABT5OWWXY/events.json","paper":"https://pith.science/paper/LQMOP7NL"},"agent_actions":{"view_html":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY","download_json":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY.json","view_paper":"https://pith.science/paper/LQMOP7NL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.10083&json=true","fetch_graph":"https://pith.science/api/pith-number/LQMOP7NLRKHROMGRFABT5OWWXY/graph.json","fetch_events":"https://pith.science/api/pith-number/LQMOP7NLRKHROMGRFABT5OWWXY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY/action/storage_attestation","attest_author":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY/action/author_attestation","sign_citation":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY/action/citation_signature","submit_replication":"https://pith.science/pith/LQMOP7NLRKHROMGRFABT5OWWXY/action/replication_record"}},"created_at":"2026-05-17T23:45:31.402740+00:00","updated_at":"2026-05-17T23:45:31.402740+00:00"}