Numerical and experimental analysis of long period gratings in wavelength scale elliptical microfibers

Jin Wa^{1, 2, †}, Bi Wei-Hong^{1, 2}, Fu Guang-Wei^{1, 2}

(color online) (a) Modes transmission in the elliptical microfiber with diameter of and ellipticity of 0.73. (b) Phase matching curves for MNFs with diameter of and ellipticity of 0.73.