{"id":"W2605931160","doi":"10.1088/2058-9565/aa78d4","title":"Pure down-conversion photons through sub-coherence-length domain engineering","year":2017,"lang":"en","type":"article","venue":"Quantum Science and Technology","topic":"Photorefractive and Nonlinear Optics","field":"Physics and Astronomy","cited_by":63,"is_retracted":false,"has_abstract":true,"ca_institutions":"Perimeter Institute","funders":"Engineering and Physical Sciences Research Council","keywords":"Photon; Nonlinear system; Parametric statistics; Quantum; Ideal (ethics); Photonic crystal; Quantum optics; Nonlinear optics","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":[0.0002048315,0.0001278959,0.0001522251,0.0001275755,0.0007925156,0.0001239082,0.0005749305,0.00007557235,0.00003357422],"category_scores_gemma":[0.0000489425,0.0001101558,0.00002498314,0.0002619172,0.0008861866,0.0005421774,0.0002601332,0.0002422411,0.00003425075],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002213314,"about_ca_system_score_gemma":0.0001165039,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00008888292,"about_ca_topic_score_gemma":0.000003619493,"domain_scores_codex":[0.9990403,0.000004014296,0.0001065935,0.0003289667,0.0001687644,0.000351357],"domain_scores_gemma":[0.9992083,0.0000212523,0.0001034879,0.0004967834,0.0001108904,0.00005928204],"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":[0.00001109005,0.0001103946,0.02887563,0.0000134301,0.00002787043,0.00002112608,0.0003925404,8.371347e-7,0.7572036,0.2050756,0.0001600056,0.008107829],"study_design_scores_gemma":[0.0005292445,0.0001499039,0.001862118,0.00003969533,0.00001415916,0.00001144637,0.001560084,0.002512212,0.9300632,0.05228906,0.01064592,0.0003229453],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9961393,0.00003458217,0.000512786,0.0007674842,0.0001946513,0.0001194702,0.0000137465,0.00005552884,0.002162432],"genre_scores_gemma":[0.9987326,0.00001943687,0.001117177,0.00002069613,0.00006162043,0.00001369326,0.000001971994,0.00000724487,0.00002561105],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1728596,"threshold_uncertainty_score":0.609547,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01120921550921215,"score_gpt":0.2585248037703815,"score_spread":0.2473155882611694,"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."}}