{"id":"W4412969467","doi":"10.1117/12.3063235","title":"Feasibility study of frequency-encoded photonic qubits over a free-space channel","year":2025,"lang":"en","type":"article","venue":"","topic":"Quantum Information and Cryptography","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University; University of Waterloo","funders":"","keywords":"Qubit; Photonics; Free space; Channel (broadcasting); Computer science; Electronic engineering; Physics; Telecommunications; Optoelectronics; Optics; Engineering; Quantum mechanics; Quantum","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":[0.0004987761,0.0002200734,0.0001994986,0.000172591,0.0004364892,0.0006096881,0.000457083,0.0004086441,0.0016157],"category_scores_gemma":[0.001249839,0.0001152844,0.0001063403,0.0001696385,0.0007657657,0.00137384,0.0005863293,0.000471959,0.0002010452],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000344713,"about_ca_system_score_gemma":0.0005849871,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0003815986,"about_ca_topic_score_gemma":0.0004614426,"domain_scores_codex":[0.999756,0.00004266312,0.000006946256,0.0000469502,0.0001067469,0.00004068774],"domain_scores_gemma":[0.9990016,0.0004464601,0.0001681926,0.0001118729,0.0001566383,0.0001153041],"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":[0.000724284,0.0003345631,0.002701959,0.0001984813,0.00002867655,0.0004467288,0.0002582211,0.02316063,0.8502507,0.105704,0.0005295959,0.01566224],"study_design_scores_gemma":[0.0001086801,0.002187934,0.0016491,0.0000282543,0.0000366989,0.0003571983,0.0001634561,0.3143876,0.6659284,0.009284376,0.005796164,0.00007208742],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9481086,0.0002001709,0.04380834,0.0003038574,0.00006775392,0.00008077676,0.0001015654,0.0001051409,0.00722394],"genre_scores_gemma":[0.988503,0.00004789314,0.01039952,0.0000173536,0.000009103852,0.00001496628,0.00002176881,0.00000806026,0.0009782446],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0016157,"threshold_uncertainty_score":0.005405068,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01696331021979531,"score_gpt":0.2721332568692226,"score_spread":0.2551699466494273,"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."}}