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Conferences > OFC > 2024 > Tu2D > Tu2D.3

Uncooled Operation of Directly Modulated Membrane Laser with Buried Sapphire Layer on Si Substrate

Tatsurou Hiraki, Yoshiho Maeda, Takuro Fujii, Koji Takeda, Takuma Aihara, Toru Segawa, Yasutomo Ota, Satoshi Iwamoto, Yasuhiko Arakawa, and Shinji Matsuo

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Abstract

A membrane laser with a buried sapphire layer on Si has 3-dB bandwidths of 40-25 GHz at 25-80°C. The laser demonstrates 80-Gbit/s PAM4 operations up to 80°C at an energy cost of 0.77 pJ/bit.

© 2024 The Author(s)

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