Application of SOl microring coupling modulation in microwave photonic phase shifters

Phase shifter is one of the key devices in microwave photonics. We report a silicon microring resonator with coupling modulation to realize microwave phase shift. With coupling tuning of the Mach-Zehnder interferometer （MZI） coupler to change the resonator from under-coupling to over-coupling, the d...

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Published in中国光电子学前沿：英文版 Vol. 9; no. 3; pp. 483 - 488
Main Author Rui YANG Linjie ZHOU Minjuan WANG Haike ZHU Jianping CHEN
Format Journal Article
LanguageEnglish
Published 2016
Subjects
应用
微波光子学
微波相移
微环
溶胶
移相器
耦合器
调制
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ISSN2095-2759

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Summary:Phase shifter is one of the key devices in microwave photonics. We report a silicon microring resonator with coupling modulation to realize microwave phase shift. With coupling tuning of the Mach-Zehnder interferometer （MZI） coupler to change the resonator from under-coupling to over-coupling, the device can realize a π phase shift on the incoming microwave signal with a frequency up to 25 GHz. The device can also realize 2.5π continuous phase tuning by manipulating the three DC bias voltages applied on the MZI coupler.
Bibliography:Phase shifter is one of the key devices in microwave photonics. We report a silicon microring resonator with coupling modulation to realize microwave phase shift. With coupling tuning of the Mach-Zehnder interferometer （MZI） coupler to change the resonator from under-coupling to over-coupling, the device can realize a π phase shift on the incoming microwave signal with a frequency up to 25 GHz. The device can also realize 2.5π continuous phase tuning by manipulating the three DC bias voltages applied on the MZI coupler.
ring resonator, phase shifter, microwave photonics
11-5738/TN
ISSN:2095-2759