Automatic bias control of a silicon photonics dual parallel Mach–Zehnder optical modulator

Shi-Chao Zhu; Sheng Yu; Xun Lei; Luluzi Lu; Quan Cao

doi:10.1117/12.2604336

24 November 2021 Automatic bias control of a silicon photonics dual parallel Mach–Zehnder optical modulator

Shi-Chao Zhu, Sheng Yu, Xun Lei, Luluzi Lu, Quan Cao

Proceedings Volume 12066, AOPC 2021: Micro-optics and MOEMS; 120660P (2021) https://doi.org/10.1117/12.2604336
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

In recent years, silicon photonics (SiPh) has generated considerable research interest and achieved rapid progress in coherent optical transceivers market. Automatic bias control (ABC) is an important technology of dual parallel Mach-Zehnder (MZ) optical modulators. Most researches have been investigated based on LiNO₃ modulator, but few on SiPh, in which many ABC algorithms become invalid due to the non-idealities. In this paper, a novel and effective ABC scheme for SiPh in-phase and quadrature (IQ) modulator is proposed, and investigated theoretically and experimentally. Compared to the convention method of LiNO₃, our algorithm is still robust in SiPh modulator with finite extinction ratios.

Citation Download Citation

Shi-Chao Zhu, Sheng Yu, Xun Lei, Luluzi Lu, and Quan Cao "Automatic bias control of a silicon photonics dual parallel Mach–Zehnder optical modulator", Proc. SPIE 12066, AOPC 2021: Micro-optics and MOEMS, 120660P (24 November 2021); https://doi.org/10.1117/12.2604336

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