Title :
Study of Polarization-Dependent Bandgap Formation in Liquid Crystal Filled Photonic Crystal Fibers
Author :
Ren, Guobin ; Shum, Ping ; Hu, JuanJuan ; Yu, Xia ; Gong, Yandong
Author_Institution :
Nanyang Technol. Univ., Singapore
fDate :
4/15/2008 12:00:00 AM
Abstract :
The mechanism of polarization-dependent bandgap formation for nematic liquid crystal filled photonic crystal fibers (LCPCFs) is presented. The total polarization-independent bandgap map is not applicable for describing the mode guiding in LCPCF. We propose the formation of two orthogonal polarization-dependent bandgap maps to describe the mode guiding behavior. The formation of polarization-dependent bandgap caused by the high index difference between the ordinary and the extraordinary dielectric indexes of liquid crystal offers single-mode single-polarization or ultrahigh birefringence guiding for LCPCFs.
Keywords :
birefringence; dielectric polarisation; nematic liquid crystals; optical fibre polarisation; photonic band gap; photonic crystals; dielectric indexes; nematic liquid crystal filled photonic crystal fibers; orthogonal polarization-dependent bandgap; single-mode single-polarization; ultrahigh birefringence; Anisotropic magnetoresistance; Dielectric liquids; Lattices; Liquid crystal polymers; Liquid crystals; Optical fiber polarization; Photonic band gap; Photonic crystal fibers; Photonic crystals; Refractive index; Liquid crystal; photonic bandgap; photonic crystal fibers (PCFs); polarization;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2008.918903
