Title :
25 GHz tunability of planar Bragg grating using liquid crystal cladding and electric field
Author :
Sparrow, I.J.G. ; Sager, D.A. ; Gawith, C.B.E. ; Smith, P.G.R. ; Emmerson, G.D. ; Kaczmarek, M. ; Dyadyusha, A.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
Application of a liquid crystal over a UV written planar silica waveguide provides the first electrically tunable, first order reflective Bragg grating using liquid crystals. 25 GHz tunability is achieved with a 25 Volt applied field.
Keywords :
Bragg gratings; liquid crystals; optical materials; optical waveguides; silicon compounds; 25 GHz; 25 V; SiO2; UV written planar silica waveguide; electric field; liquid crystal cladding; planar Bragg grating; reflective Bragg grating; Bragg gratings; Fiber gratings; Hydrogen; Liquid crystal devices; Liquid crystals; Optical devices; Optical fiber couplers; Optical waveguides; Refractive index; Silicon compounds;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548997
