Distributed feedback grating in liquid crystal waveguide: a novel approach.
We design a distributed feedback guided-wave device in liquid crystals, utilizing a simple geometry based on electro-optic molecular reorientation in uniaxial nematics. We numerically test the structure and demonstrate an effective Bragg reflector with voltage-tunable resonance.
Donisi
Domenico
D
Department of Electronic Engineering, University of Rome Sapienza, Rome, Italy.
Asquini
Rita
R
d'Alessandro
Antonio
A
Assanto
Gaetano
G