Ashkan Roshan-Zamir, Binhao Wang, Shashank Telaprolu, Kunzhi Yu, Cheng Li, M. Seyedi, Marco Fiorentino, R. Beausoleil, S. Palermo
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引用次数: 19
Abstract
A two-segment silicon photonic microring modulator implements an optical DAC for PAM4 modulation. Independent level and edge-rate control is achieved using segmented MSB/LSB pulsed-cascode drivers. The 65nm CMOS transmitter achieves 40Gb/s operation at 4.38mW/Gb/s while driving each microring modulator segment with 4.4Vppd swing.
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