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

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6 Author(s)
Qingjiang Chang ; Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai ; Li, Qiang ; Ziyang Zhang ; Min Qiu
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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.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 1 )