Title :
Apodized focusing subwavelength gratings for simultaneous coupling of TE and TM modes
Author :
Zhenzhou Cheng ; Ke Xu ; Chi Yan Wong ; Hon Ki Tsang
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
Apodized focusing subwavelength gratings which can couple both transverse electric (TE) and transverse magnetic (TM) modes are presented. The coupling efficiencies were -3.0 dB and -4.0 dB for TM and TE modes, respectively.
Keywords :
diffraction gratings; optical couplers; optical design techniques; optical fabrication; optical focusing; apodized focusing subwavelength grating; simultaneous coupling; transverse electric mode; transverse magnetic mode; Bandwidth; Couplers; Couplings; Focusing; Gratings; Silicon; Silicon-on-insulator;
Conference_Titel :
Optical Interconnects Conference, 2013 IEEE
Conference_Location :
Santa Fe, NM
Print_ISBN :
978-1-4673-5061-7
Electronic_ISBN :
978-1-4673-5062-4
DOI :
10.1109/OIC.2013.6552957
