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Proceedings Paper

Series-coupled double-ring resonators with asymmetric radii for use in channelizer
Author(s): Xiaowen Gu; Dan Zhu; Yongjiu Zhao; Shilong Pan
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Paper Abstract

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.

Paper Details

Date Published: 24 October 2014
PDF: 6 pages
Proc. SPIE 9270, Optoelectronic Devices and Integration V, 927010 (24 October 2014); doi: 10.1117/12.2071943
Show Author Affiliations
Xiaowen Gu, Nanjing Univ. of Aeronautics and Astronautics (China)
State Key Lab of Millimeter Waves (China)
Dan Zhu, Nanjing Univ. of Aeronautics and Astronautics (China)
State Key Lab. of Millimeter Waves (China)
Yongjiu Zhao, Nanjing Univ. of Aeronautics and Astronautics (China)
Shilong Pan, Nanjing Univ. of Aeronautics and Astronautics (China)
State Key Lab. of Millimeter Waves (China)


Published in SPIE Proceedings Vol. 9270:
Optoelectronic Devices and Integration V
Xuping Zhang; Hai Ming; Changyuan Yu, Editor(s)

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