Title :
Tunable optical coupling in a low-loss hollow core waveguide using adiabatically chirped high-contrast-gratings and MEMS actuators
Author :
Wang, Xue ; Yue, Yang ; Zhang, Lin ; Huang, Hao ; Yan, Yan ; Yang, Weijian ; Ferrara, James ; Karagodsky, Vadim ; Chase, Christopher ; Tur, Moshe ; Chang-Hasnain, Connie J. ; Willner, Alan E.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
A low insertion loss optical coupler is designed using chirped high-contrast-grating hollow-core waveguide. 100% tuning of power coupling ratio is realized through mechanically adjusting the waveguide height by ~3 μm.
Keywords :
diffraction gratings; micro-optomechanical devices; microactuators; optical couplers; MEMS actuators; adiabatically chirped high contrast gratings; chirped high contrast grating hollow core waveguide; low insertion loss optical coupler; low loss hollow core waveguide; tunable optical coupling; Chirp; Couplers; Couplings; Erbium; Gratings; Optical coupling; Optical waveguides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4