Article

A Tunable Broadband Photonic RF Phase Shifter Based on a Silicon Microring Resonator

Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai
IEEE Photonics Technology Letters (Impact Factor: 2.04). 02/2009; DOI: 10.1109/LPT.2008.2008658
Source: IEEE Xplore

ABSTRACT We propose and demonstrate a tunable broadband photonic radio frequency (RF) phase shifter based on a silicon microring resonator. This scheme utilizes the thermal nonlinear effect of the silicon microring to change the electrical phase of the RF signal with a wide tuning range. A prototype of the phase shifter is experimentally demonstrated for a 40-GHz signal with a 0-4.6-rad tuning range.

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May 21, 2014