64-Gbps NRZ-OOK wavelength demultiplexing filter with cascaded silicon Mach-Zehnder interferometer

Chih-Hsien Cheng; Yu-Lun Juan; Kuo-Fang Chung; Ding-Wei Huang; Atsushi Matsumoto; Naokatsu Yamamoto; Gong-Ru Lin; Kouichi Akahane

doi:10.1117/12.3002026

13 March 2024 64-Gbps NRZ-OOK wavelength demultiplexing filter with cascaded silicon Mach-Zehnder interferometer

Chih-Hsien Cheng, Yu-Lun Juan, Kuo-Fang Chung, Ding-Wei Huang, Atsushi Matsumoto, Naokatsu Yamamoto, Gong-Ru Lin, Kouichi Akahane

Author Affiliations +

Proceedings Volume PC12891, Silicon Photonics XIX; PC128910J (2024) https://doi.org/10.1117/12.3002026
Event: SPIE OPTO, 2024, San Francisco, California, United States

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Abstract

O-band surface-grating-coupled Si wavelength demultiplexing filter using cascaded directional couplers with 30-nm passband linewidth, 6-dB insertion loss and 23.4-dB polarization extinction is demonstrated for 64-Gbit/s NRZ-OOK with WDM channel extinction enhanced from 8.9-dB@1330nm to 14.6-dB@1325 nm.

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Chih-Hsien Cheng, Yu-Lun Juan, Kuo-Fang Chung, Ding-Wei Huang, Atsushi Matsumoto, Naokatsu Yamamoto, Gong-Ru Lin, and Kouichi Akahane "64-Gbps NRZ-OOK wavelength demultiplexing filter with cascaded silicon Mach-Zehnder interferometer", Proc. SPIE PC12891, Silicon Photonics XIX, PC128910J (13 March 2024); https://doi.org/10.1117/12.3002026

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