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Proceedings Paper

Influence of the driving signal reflection in the electrode on the signal characteristics of silicon Mach-Zehnder modulators
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Paper Abstract

In a silicon Mach-Zehnder modulator with on-chip termination, the reflection of the driving signal in the traveling wave electrode often occurs due to non-ideal factors. This may influence the modulating signal characteristics. To study such influence, the S11 response of the electrode is averaged over different frequency ranges to characterize the reflection of the driving signal in the electrode. We find that the signal-to-noise ratio and the jitter can be substantially affected by the reflection. In addition, for the same characteristic, when the averaging frequency range for S11 varies, the relations between mean S11 and the output signal characteristics may also vary to some extent. Understanding of these phenomena are potentially useful to the applications of the modulators in the optical communication systems.

Paper Details

Date Published: 20 December 2019
PDF: 4 pages
Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120930 (20 December 2019); doi: 10.1117/12.2548775
Show Author Affiliations
Peiyan Zhao, Nanjing Univ. (China)
Zhaobang Zeng, Nanjing Univ. (China)
Nan Yang, Nanjing Univ. (China)
Bo Tang, Institute of Microelectronics, CAS (China)
Zhihua Li, Institute of Microelectronics, CAS (China)
Jiang Yan, North China Univ. of Technology (China)
Xiangning Chen, Nanjing Univ. (China)
Wei Jiang, Nanjing Univ. (China)


Published in SPIE Proceedings Vol. 11209:
Eleventh International Conference on Information Optics and Photonics (CIOP 2019)
Hannan Wang, Editor(s)

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