Title :
35 GHz tunable planar Bragg grating using nematic liquid crystal overlay
Author :
Sparrow, I.J.G. ; Smith, Peter G. R.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
Tunability of a planar waveguide Bragg filter is achieved using a nematic liquid crystal overclad. Electrically induced changes in the liquid crystal refractive index allow a Bragg wavelength tuning range of 35 GHz.
Keywords :
Bragg gratings; liquid crystal devices; nematic liquid crystals; optical planar waveguides; optical tuning; optical waveguide filters; refractive index; 35 GHz; Bragg wavelength tuning; electrically induced change; liquid crystal refractive index; nematic liquid crystal; planar waveguide Bragg filter tunability; tunable planar Bragg grating; Bragg gratings; Etching; Liquid crystal devices; Liquid crystal displays; Liquid crystals; Liquid waveguides; Optical waveguides; Planar waveguides; Refractive index; Voltage;
Conference_Titel :
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN :
0-7803-8974-3
DOI :
10.1109/CLEOE.2005.1568269
