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

Peiyan Zhao; Zhaobang Zeng; Nan Yang; Bo Tang; Zhihua Li; Jiang Yan; Xiangning Chen; Wei Jiang

doi:10.1117/12.2548775

20 December 2019 Influence of the driving signal reflection in the electrode on the signal characteristics of silicon Mach-Zehnder modulators

Peiyan Zhao, Zhaobang Zeng, Nan Yang, Bo Tang, Zhihua Li, Jiang Yan, Xiangning Chen, Wei Jiang

Author Affiliations +

Proceedings Volume 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019); 1120930 (2019) https://doi.org/10.1117/12.2548775
Event: Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 2019, Xi'an, China

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.

Citation Download Citation

Peiyan Zhao, Zhaobang Zeng, Nan Yang, Bo Tang, Zhihua Li, Jiang Yan, Xiangning Chen, and Wei Jiang "Influence of the driving signal reflection in the electrode on the signal characteristics of silicon Mach-Zehnder modulators", Proc. SPIE 11209, Eleventh International Conference on Information Optics and Photonics (CIOP 2019), 1120930 (20 December 2019); https://doi.org/10.1117/12.2548775

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