256-Gbit/s PAM-4 directly modulated membrane lasers on SiC substrate

Suguru Yamaoka; Nikolaos-Panteleimon Diamantopoulos; Hidetaka Nishi; Takuro Fujii; Koji Takeda; Tatsurou Hiraki; Takuma Tsurugaya; Shigeru Kanazawa; Hiromasa Tanobe; Takaaki Kakitsuka; Takaaki Kakitsuka; Tai Tsuchizawa; Fumio Koyama; Shinji Matsuo

doi:10.1364/CLEOPR.2022.CMP11B_01

Proceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim
Technical Digest Series (Optica Publishing Group, 2022),
paper CMP11B_01
•https://doi.org/10.1364/CLEOPR.2022.CMP11B_01

256-Gbit/s PAM-4 directly modulated membrane lasers on SiC substrate

Suguru Yamaoka, Nikolaos-Panteleimon Diamantopoulos, Hidetaka Nishi, Takuro Fujii, Koji Takeda, Tatsurou Hiraki, Takuma Tsurugaya, Shigeru Kanazawa, Hiromasa Tanobe, Takaaki Kakitsuka, Tai Tsuchizawa, Fumio Koyama, and Shinji Matsuo

Conference on Lasers and Electro-Optics/Pacific Rim 2022

Sapporo Japan
31 August–5 September 2022
ISBN:

From the session
III/V Waveguide Devices (CMP11B)

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S. Yamaoka, N. Diamantopoulos, H. Nishi, T. Fujii, K. Takeda, T. Hiraki, T. Tsurugaya, S. Kanazawa, H. Tanobe, T. Kakitsuka, T. Tsuchizawa, F. Koyama, and S. Matsuo, "256-Gbit/s PAM-4 directly modulated membrane lasers on SiC substrate," in Proceedings of the 2022 Conference on Lasers and Electro-Optics Pacific Rim, Technical Digest Series (Optica Publishing Group, 2022), paper CMP11B_01.

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Abstract

A membrane laser on high-thermal-conductivity SiC exhibits a 42-GHz relaxation oscillation frequency because of the large optical confinement and heat dissipation. Photon-photon resonance increases the bandwidth to 108 GHz capable of 256-Gbit/s PAM-4 signal transmission.

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