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) Nonlinear coefficient as a function of wavelength for different Λ with Dx = 0.64Λ, dx = 0.52 Λ, and η = 0.5 in (a) X and (b) Y polarized modes. |