Title :
Tunable Microwave Phase Shifter Based on Silicon-on-Insulator Microring Resonator
Author :
Pu, Minhao ; Liu, Liu ; Xue, Weiqi ; Ding, Yunhong ; Frandsen, Lars H. ; Ou, Haiyan ; Yvind, Kresten ; Hvam, Jørn M.
Author_Institution :
Dept. of Photonics Eng., Tech. Univ. of Denmark, Lygnby, Denmark
fDate :
6/15/2010 12:00:00 AM
Abstract :
We demonstrate microwave phase shifters based on electrically tunable silicon-on-insulator microring resonators (MRRs). MRRs with different quality factors are fabricated and tested. A continuously tunable phase shift of up to 336° at a microwave frequency of 40 GHz is obtained using a high-quality-factor ( ~28 000) MRR with only 1.6-mW power consumption. A quasi-linear phase shift in the range of 0° -204° at 40 GHz with a radio-frequency power variation less than 1.3 dB is also achieved by using a lower-quality-factor MRR.
Keywords :
integrated optoelectronics; microwave phase shifters; microwave photonics; optical resonators; silicon-on-insulator; MRR; frequency 40 GHz; power 1.6 mW; quality factor; quasilinear phase shift; silicon-on-insulator microring resonator; tunable microwave phase shifter; Integrated optics devices; microwave photonics; radio-frequency (RF) photonics; silicon microring resonator (MRR);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2010.2046725
