Design of photonic crystal fiber with elliptical air-holes to achieve simultaneous high birefringence and nonlinearity Project supported by the National Natural Science Foundation of China (Grant No. 61475029). |
(color online) Electric field distribution of X for the polarized modes at 1550 nm with Dx = 0.64Λ, dx = 0.52Λ, Λ = 0.8 μm, and η = 0.5 |