Open AccessDistributed feedback grating in liquid crystal waveguide: a novel approach
Author(s) -
Domenico Donisi,
Rita Asquini,
Antonio d’Alessandro,
Gaetano Assanto
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.005251
Subject(s) - optics , liquid crystal , grating , distributed bragg reflector , materials science , guided mode resonance , reflector (photography) , waveguide , fiber bragg grating , resonance (particle physics) , refractive index , voltage , diffraction grating , optoelectronics , physics , laser , light source , particle physics , quantum mechanics
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.