Highly power-efficient (2 pJ/bit), 128Gbps 16QAM signal generation of coherent optical DAC transmitter using 28-nm CMOS driver and all-silicon segmented modulator

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

2022 Optical Fiber Communications Conference and Exhibition (OFC)（2022）

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摘要

We demonstrated a highly power-efficient coherent optical digital-to-analog converter transmitter. 2pJ/bit operation was realized by combining an all-silicon segmented modulator and a CMOS inverter driver. The bit-error-rate was less than the 25.5% of SD-FEC limit. © 2022 The Author(s)

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关键词

bit-error-rate,16QAM signal generation,coherent optical DAC transmitter,CMOS driver,all-silicon segmented modulator,digital-to-analog converter transmitter,CMOS inverter driver

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