{"id":"W2321845660","doi":"10.1364/lsc.2015.lth1c.3","title":"Optical two-way time synchronization at the femtosecond level over a 4-km free space link","year":2015,"lang":"en","type":"article","venue":"","topic":"Advanced Frequency and Time Standards","field":"Physics and Astronomy","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval","funders":"","keywords":"Link (geometry); Synchronization (alternating current); Optical link; Femtosecond; Free space; Physics; Free-space optical communication; Computer science; Optical communication; Laser; Optics; Telecommunications; Computer network; Optical fiber","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003448644,0.0002307323,0.00024357,0.0004993542,0.0007649212,0.0004479918,0.0004622287,0.0006401525,0.002214744],"category_scores_gemma":[0.001276307,0.0001509163,0.0001026904,0.0003266447,0.0005860841,0.0008275782,0.0008793679,0.000518736,0.0002962637],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004965653,"about_ca_system_score_gemma":0.0004699832,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001103296,"about_ca_topic_score_gemma":0.001733425,"domain_scores_codex":[0.9997309,0.00004150822,0.00001223545,0.00004423798,0.0001056974,0.00006540737],"domain_scores_gemma":[0.9995341,0.0001746055,0.0001071911,0.00006089906,0.00007346305,0.00004963582],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000443485,0.0001060726,0.007555226,0.0000563285,0.00004007591,0.0004657295,0.0005897012,0.007953019,0.9529223,0.008555179,0.0004217819,0.02089114],"study_design_scores_gemma":[0.0001621727,0.001478033,0.01223371,0.00002897557,0.00007524533,0.0005397027,0.0003411881,0.07122058,0.8977135,0.003726046,0.01238841,0.00009253102],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9898296,0.0001077778,0.007480395,0.0001227748,0.00003677475,0.00001201128,0.00004543046,0.0001755213,0.002189626],"genre_scores_gemma":[0.9917313,0.00003824149,0.006264142,0.00001798936,0.00001255097,0.00001429089,0.00003720801,0.00001300433,0.001871233],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002214744,"threshold_uncertainty_score":0.007409036,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01879576346575836,"score_gpt":0.2658008080541269,"score_spread":0.2470050445883686,"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."}}