Title :
Controlling disclinations in liquid crystal planar Bragg gratings
Author :
Snow, B.D. ; Adikan, F.R.M. ; Gates, J.C. ; Gawith, C.B.E. ; Dyadyusha, A. ; Major, Huw E. ; Kaczmarek, M. ; Smith, P.G.R.
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton
Abstract :
Direct-UV-written liquid crystal tunable planar Bragg gratings exhibit complex wavelength tuning with threshold points and hysteresis. We discuss the role of disclinations in the liquid crystal and whether they may allow faster wavelength tuning.
Keywords :
Bragg gratings; disclinations; liquid crystals; direct-UV-written liquid crystal tunable planar Bragg gratings; disclination control; liquid crystal planar Bragg gratings; wavelength tuning; Bragg gratings; Hysteresis; Liquid crystals; Optical devices; Optical filters; Optical sensors; Optical waveguides; Polarization; Tuning; Voltage; (130.3120) Integrated optics devices; (130.4815) Optical switching devices; (130.6010) Sensors; (230.7408) Wavelength filtering devices;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
