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Original Research
Published 11 September 2026
Orbital angular momentum multiplexed photonic crystal multimode fiber–free-space optics link under fog-induced attenuation: design and performance analysis
Harmanpreet Kaur · Ajay Vasishth · Somia A. Abd El-Mottaleb · Hassan Yousif Ahmed · Sami Mourou · Medien Zeghid
Frontiers in Physics
doi 10.3389/fphy.2026.1933301