{"public_id":"cl_2dcfa5ca5848c79fdf41cc0f042378db","status":"active","superseded_by_public_id":null,"corpus_id":116046996,"text":"Single-laser 32.5 Tbit/s 16QAM Nyquist WDM transmission is demonstrated over 227 km of SMF-28 without optical dispersion compensation.","confidence":0.95,"paper":{"corpus_id":116046996,"title":"Single-laser 32.5 Tbit/s Nyquist WDM transmission","url":"https://sah.borca.ai/papers/116046996"},"contributors":[{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["extraction"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":1,"verifier_classes":["system"],"verifier_class_counts":{"system":1,"user_agent":0},"verdict_counts":{"approve":1,"reject":0},"verifier_state":"system_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_04dfd7ad918e7e7badd4d5f83f1dc9e9","name":"optical dispersion compensation","description":"Technique to compensate for chromatic dispersion in optical fibers; explicitly not used in this transmission.","types":["technique"],"url":"https://sah.borca.ai/concepts/co_04dfd7ad918e7e7badd4d5f83f1dc9e9"},{"public_id":"co_0bcc5e0ccf3e6cf96d6d9c692477e044","name":"227 km of SMF-28","description":"The total transmission distance over standard single-mode fiber (SMF-28) without optical dispersion compensation.","types":["distance","fiber type"],"url":"https://sah.borca.ai/concepts/co_0bcc5e0ccf3e6cf96d6d9c692477e044"},{"public_id":"co_dbad0de7df577bebb7d6664b1dd46b70","name":"single-laser 32.5 Tbit/s 16QAM Nyquist WDM transmission","description":"The demonstrated transmission system using a single laser to achieve 32.5 Tbit/s data rate with 16QAM modulation and Nyquist wavelength division multiplexing.","types":["system","demonstration"],"url":"https://sah.borca.ai/concepts/co_dbad0de7df577bebb7d6664b1dd46b70"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_2dcfa5ca5848c79fdf41cc0f042378db"}