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Proceedings Paper

Improving the linearity of silicon ring modulators by manipulating the quality factor and operation wavelength
Author(s): Qiang Zhang; Hui Yu; Zhilei Fu; Penghui Xia; Xiaofei Wang
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Paper Abstract

We present that the linearity of silicon ring modulators in microwave photonics links can be improved by manipulating the quality factor in the cavity. By reducing Q factors of silicon ring modulators from 11000 to 5880 and tuning the operation wavelength for modulation, the measured Spurious-Free Dynamic Ranges of the third-order intermodulation distortion are improved from 98.5 dB·Hz2/3 to 104.3 dB·Hz2/3 and from 90.6 dB·Hz2/3 to 94.7 dB·Hz2/3 at 1 GHz and 10 GHz, respectively.

Paper Details

Date Published: 2 March 2020
PDF: 6 pages
Proc. SPIE 11279, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII, 112791T (2 March 2020); doi: 10.1117/12.2542242
Show Author Affiliations
Qiang Zhang, Zhejiang Univ. (China)
Hui Yu, Zhejiang Univ. (China)
Zhilei Fu, Zhejiang Univ. (China)
Penghui Xia, Zhejiang Univ. (China)
Xiaofei Wang, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 11279:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIII
Laurence P. Sadwick; Tianxin Yang, Editor(s)

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