Nonlinear Optical Fiber Couplers Made of Chalcogenide Glass Mohsen Rezaei, Md Hosne Mobarak Shamim, Mohammed El Amraoui, Younes Messaddeq and Martin Rochette EPJ Web Conf., 266 (2022) 11010 Published online: 13 October 2022 DOI: 10.1051/epjconf/202226611010