{"id":"W3165650795","doi":"10.1364/oe.423361","title":"2048-QAM transmission at 15 GBd over 100 km using geometric constellation shaping","year":2021,"lang":"en","type":"article","venue":"Optics Express","topic":"Optical Network Technologies","field":"Engineering","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"Infineon Technologies (Canada)","funders":"Engineering and Physical Sciences Research Council; Royal Academy of Engineering","keywords":"Quadrature amplitude modulation; Transmission (telecommunications); Digital signal processing; QAM; Optics; Free-space optical communication; Computer science; Constellation; Optical communication; Electronic engineering; Modulation (music); Transmission system; Telecommunications; Data transmission; Bit error rate; Physics; Computer hardware; Engineering; Acoustics; Decoding methods","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00008183507,0.0001929977,0.0002272942,0.000178076,0.0001007645,0.0000808941,0.0001533579,0.0002509137,0.0003360645],"category_scores_gemma":[0.00004998935,0.0002094911,0.00007355961,0.0007217272,0.00005966491,0.0001554944,0.0001292761,0.0002377691,0.00002390382],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001541989,"about_ca_system_score_gemma":0.00001588761,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000001984428,"about_ca_topic_score_gemma":7.586882e-7,"domain_scores_codex":[0.9988334,0.00001760146,0.0002729952,0.0002551101,0.000247325,0.0003735772],"domain_scores_gemma":[0.9993157,0.0001647478,0.0000324134,0.0003389938,0.00006138165,0.00008675909],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00001049376,0.0000412965,0.0005659644,0.0002137779,0.00006746867,0.00008813955,0.0000964428,0.7298824,0.2290354,0.001447122,0.001101168,0.03745029],"study_design_scores_gemma":[0.0003233702,0.00001522654,0.0001849946,0.0001751822,0.00004122728,0.00002731459,0.00005029267,0.867361,0.117382,0.0002231448,0.01386932,0.0003469015],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9154354,0.004339755,0.06268291,0.00006806743,0.0004816831,0.0001800849,0.00001281188,0.0008525861,0.01594671],"genre_scores_gemma":[0.9178786,0.0007250375,0.0810044,0.00002814228,0.0001163974,0.000002775459,0.00002178401,0.00006148516,0.0001613959],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1374786,"threshold_uncertainty_score":0.85428,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03331705326401988,"score_gpt":0.2499227922169575,"score_spread":0.2166057389529376,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}