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Conferences > OFC > 2024 > Th2A > Th2A.11

High-speed and low-power optical DAC transmitter using all-silicon lumped segmented modulator directly driven by CMOS inverter driver

Yohei Sobu, Yukito Tsunoda, Toshihiko Mori, Guoxiu Huang, Takuji Yamamoto, Shinsuke Tanaka, and Takeshi Hoshida

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Abstract

We fabricated a 2×2-bit optical DAC transmitter using silicon segmented modulators and CMOS drivers. Highest symbol rates of 56Gbaud PAM4 and 50Gbaud 16QAM were achieved with transmitter density higher than 300Gbps/mm2 among optical DAC transmitters.

© 2024 The Author(s)

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