Series-coupled double-ring resonators with asymmetric radii for use in channelizer

被引：4
|
作者：
Gu, Xiaowen [1 ]
Zhu, Dan [1 ]
Zhao, Yongjiu [1 ]
Pan, Shilong [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Minist Educ, Key Lab Radar Imaging & Microwave Photon, Nanjing 210016, Jiangsu, Peoples R China
来源：
OPTOELECTRONIC DEVICES AND INTEGRATION V | 2014年 / 9270卷
关键词：
Integrated optics devices; coupled resonators; filter;
D O I：
10.1117/12.2071943
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A series-coupled double-ring resonator with asymmetric radii is analyzed to achieve a filter response with a large free spectral range (FSR), a narrow passband of tens of MHz and a small shape factor simultaneously for use in microwave photonic channelizer. By introducing difference to the two radii, based on the vernier effect, the FSR of the resonator filter can be extended while maintaining the narrow passband and the small shape factor. A filter response with a FSR of 29.444 GHz, a 3-dB bandwidth of 96 MHz and a shape factor of 3.17 is realized by numerical analysis.
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收藏
页数：6
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