Title :
High-speed optical phased array using high-contrast grating all-pass filters
Author :
Weijian Yang ; Tianbo Sun ; Yi Rao ; Megens, M. ; Chan, Thomas ; Byung-wook Yoo ; Horsley, David A. ; Wu, Ming C. ; Chang-Hasnain, Connie J.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of California at Berkeley, Berkeley, CA, USA
Abstract :
A novel optical phased array is experimentally demonstrated with high speed (0.577 MHz) beam steering, which consists of 8×8 tunable 1550-nm all-pass filters with ultrathin high-contrast grating as the micro-electro-mechanically actuated reflector for fast tuning.
Keywords :
beam steering; diffraction gratings; micromechanical devices; micromirrors; optical arrays; optical filters; optical tuning; fast tuning; frequency 0.577 MHz; high-speed beam steering; high-speed optical phased array; microelectromechanically-actuated reflector; micromirrors; ultrathin high-contrast grating all-pass filters; wavelength 1550 nm; Arrays; Cavity resonators; High speed optical techniques; Optical filters; Optical reflection; Optical sensors; Beam steering; gratings; metamaterials; microelectromechanical devices; optical devices; optical phased arrays;
Conference_Titel :
Indium Phosphide and Related Materials (IPRM), 2012 International Conference on
Conference_Location :
Santa Barbara, CA
Print_ISBN :
978-1-4673-1725-2
DOI :
10.1109/ICIPRM.2012.6403308
