The cross-sectional view of the proposed PC-PCF.|@|~(^,^)~|@|Mode field distribution of the proposed PCF for core diameter 375 μm and 0.85 THz operating frequencies for (a) 0°, x-pol (b) 30°, x-pol (c) 45°, x-pol (d) 60°, x-pol (e) 0°, y-pol (f) 30°, y-pol (g) 45°, y-pol (h) 60°, y-pol.|@|~(^,^)~|@|Birefringence as a function of frequency for 375 μm core diameter.|@|~(^,^)~|@|V- parameter as a function of frequency at optimal rotation angle 60° for x and y polarization.|@|~(^,^)~|@|EML as a function of core diameter for 60° rotation at 0.85 THz.|@|~(^,^)~|@|EML as a function of frequency for 60° rotation and 375 μm core diameter.|@|~(^,^)~|@|Confinement loss as a function of frequency for 60° rotation and 375 μm core diameter.|@|~(^,^)~|@|Power fraction as a function of frequency at D_core = 375 μm.|@|~(^,^)~|@|Bending loss as a function of frequency of the proposed fiber for optimal condition.

Current Optics and Photonics 2018;2:215~220 https://doi.org/10.3807/COPP.2018.2.3.215