Nonlinear characteristics of fused silica, solid-core photonic crystal fibers (PCFs) with a square array of air holes are studied numerically. We present a novel design that emphasizes the difference in air hole diameters in the photonic cladding. Nội dung trích xuất từ tài liệu: Nonlinear characteristics of square solid-core photonic crystal fibers with various lattice parameters in the cladding