A Fast Silicon Polarization Scrambling Device Utilizing Novel Thermal Tuning Scheme
2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)（2023）
Wuhan National Laboratory for Optoelectronics
Abstract
The polarization management device plays a crucial role in high-speed optical communication systems. In this study, we focus on a polarization scrambling device that effectively perturbs polarization and is commonly employed to assess polarization-related parameters in high-speed optical communication systems. Through an innovative design of a new heater placement scheme, we have achieved a significant enhancement in the thermal adjustment response speed. Consequently, we present the development of a silicon-based rapid polarization scrambling device with a scrambling rate of 150 krads -1 , which is the fastest among the silicon-based devices, to the best of our knowledge. The device offers the advantages of compact size, cost-effectiveness, compatibility with the CMOS process, and automatic regulation of the polarization scrambling speed.
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Key words
silicon photonics,polarization management,thermal tuning
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