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Type: 
Conference
Description: 
Electro-optically switchable photonic components based on zenithal bistable liquid-crystal gratings are designed and theoretically investigated. By properly selecting the material and geometrical parameters, we demonstrate that such gratings can operate as switchable beam splitters, beam steerers, quarter-wave plates, and narrowband guided-mode resonant filters. The switching dynamics of the proposed components are also investigated by employing a tensorial formulation for the liquid-crystal orientation problem, which is coupled with the lightwave propagation studies in a multiphysics environment based on the finite-element method.
Publisher: 
IEEE
Publication date: 
1 Oct 2017
Authors: 

Dimitrios C Zografopoulos, Emmanouil E Kriezis, Romeo Beccherelli

Biblio References: 
Pages: 597-598
Origin: 
Photonics Conference (IPC), 2017 IEEE