Title :
Electrically tunable resonant filters in phase-shifted contra-directional couplers
Author :
Shi, Wei ; Wang, Xu ; Lin, Charlie ; Yun, Han ; Liu, Yang ; Baehr-Jones, Tom ; Hochberg, Michael ; Jaeger, Nicolas A F ; Chrostowski, Lukas
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada
Abstract :
We demonstrate an electrically tunable resonant filter with FSR-free operation using a silicon photonic quarter-wavelength phase-shifted, grating-assisted contra-directional coupler. The spectrum shows a stop-band of 7nm, an extinction of 24dB, and a Q of 7,000.
Keywords :
Q-factor; diffraction gratings; extinction coefficients; infrared spectra; integrated optics; optical directional couplers; optical filters; optical phase shifters; optical tuning; silicon-on-insulator; FSR-free operation; Q-factor; Si; electrically tunable resonant filters; extinction ratio; silicon photonic quarter-wavelength phase-shifted grating-assisted contra-directional coupler; stop-band; wavelength 7 nm; Couplers; Gratings; Optical resonators; Optical waveguides; Photonics; Silicon; Tuning;
Conference_Titel :
Group IV Photonics (GFP), 2012 IEEE 9th International Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4577-0826-8
DOI :
10.1109/GROUP4.2012.6324092
