Distributed feedback grating in liquid crystal waveguide: a novel approach

Domenico Donisi; Rita Asquini; Antonio d'Alessandro; Gaetano Assanto

doi:10.1364/oe.17.005251

Distributed feedback grating in liquid crystal waveguide: a novel approach

Opt Express. 2009 Mar 30;17(7):5251-6. doi: 10.1364/oe.17.005251.

Authors

Domenico Donisi¹, Rita Asquini, Antonio d'Alessandro, Gaetano Assanto

Affiliation

¹ Department of Electronic Engineering, University of Rome Sapienza, Rome, Italy.

PMID: 19333289
DOI: 10.1364/oe.17.005251

Abstract

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.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

Computer-Aided Design
Electronics / instrumentation*
Equipment Design
Equipment Failure Analysis
Feedback
Light
Liquid Crystals / chemistry*
Optical Devices*
Refractometry / instrumentation*
Reproducibility of Results
Scattering, Radiation
Sensitivity and Specificity