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A 3-D-Integrated Silicon Photonic Microring-Based 112-Gbs PAM-4 Transmitter With
3D集成的硅光子微环112Gbs PAM-4发射器，具有热控制和非线性均衡功能。
112 Gb/s, TDECQ <1.5 dB, 7.4-pJ/bit能效
硅光子微环调制器PAM-43D集成热控制
▸LUT-based PAM-4非线性均衡器
▸对输入功率波动不敏感的热控制方法
▸3D集成硅光子微环与CMOS驱动
Abstract
Microring modulators (MRMs) with CMOS elec-
tronics enable compact low power transmitter solutions for 400G
Ethernet and co-packaged optical transceivers. In this article,
we present a 3-D-integrated 112-Gb/s pulse amplitude modulation
(PAM)-4 optical transmitter (OTX) using silicon photonic MRM,
on-chip laser, and co-packaged 28-nm CMOS driver. The 3- V
pp
driver includes a lookup table (LUT)-based PAM-4 nonlinear
equalizer to address static and dynamic MRM nonlinearities.
An integrated thermal