{"id":"W3044541807","doi":"10.1364/ol.399895","title":"Generation of narrowband terahertz radiation via phonon mode enhanced nonlinearities in a BaGa<sub>4</sub>Se<sub>7</sub> crystal","year":2020,"lang":"lv","type":"article","venue":"Optics Letters","topic":"Terahertz technology and applications","field":"Engineering","cited_by":16,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Terahertz radiation; Optical rectification; Narrowband; Optics; Crystal (programming language); Materials science; Radiation; Optoelectronics; Terahertz spectroscopy and technology; Phonon; Physics; Nonlinear optics; Laser; Condensed matter physics","routes":{"ca_aff":true,"ca_fund":true,"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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0001174932,0.0004181514,0.0004715011,0.000248679,0.0001241676,0.00007286502,0.0002844002,0.0004487922,0.00001034963],"category_scores_gemma":[0.00005059295,0.0005359926,0.0001389263,0.000554322,0.000159203,0.0003332392,0.0000663284,0.0006526976,0.00004390971],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000179011,"about_ca_system_score_gemma":0.0000607506,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002755008,"about_ca_topic_score_gemma":0.00007227521,"domain_scores_codex":[0.9978986,0.00006336469,0.0007821288,0.0005255457,0.0002461674,0.0004841423],"domain_scores_gemma":[0.9991128,0.00007673985,0.0002102896,0.0004130252,0.00006540237,0.0001217539],"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":[0.00003722898,0.00008930775,0.00009490711,0.0001629046,0.00008058824,0.000009868036,0.002283403,0.05246267,0.9082621,0.0001488358,0.0005143956,0.03585375],"study_design_scores_gemma":[0.0006702999,0.0000601435,0.0002457617,0.00005476979,0.00004488205,0.000003652568,0.00006665749,0.3446717,0.6534946,0.00004129783,0.0003213933,0.0003248392],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8616835,0.0002957926,0.1319356,0.004964397,0.0002615233,0.0004898361,0.000110422,0.0001938312,0.00006514257],"genre_scores_gemma":[0.993776,0.0004024665,0.003778195,0.001062579,0.0004812423,0.0001242036,0.0002827804,0.00008998797,0.000002570949],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.292209,"threshold_uncertainty_score":0.9997092,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01603793863921533,"score_gpt":0.2205897578297134,"score_spread":0.2045518191904981,"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."}}