Kouddad‎, Elhachemi, Ibrahim Yaichi, Sououdi Boumediene Chabani, Hassan Dahbi, and Islam Hassani. 2025. “Design and Performance of an All-Optical Four-‎Channel Filter Based on Linear Photonic Crystals”. Journal of Theoretical and Applied Physics 19 (6). https://doi.org/10.57647/j.jtap.2025.1906.57.