Driver circuit for a PAM-4 optical transmitter using 65 nm CMOS and silicon photonic technologies

Shiyu Zhou,H. Wu,K. Sadeghipour,Carmelo Scarcella,Cormac Eason,Marc Rensing,Mark J. Power,Cleitus Antony,Peter O'Brien,Paul D. Townsend,Peter Ossieur

Electronics Letters（2016）

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摘要

A push-pull silicon photonic Mach-Zehnder modulator (MZM) driver is presented which uses a switched capacitor approach to generate a ~2 V peak-to-peak differential 4-level pulse amplitude modulation (PAM-4) signal. The driver chip includes a Gray encoder and retiming flip-flops. The switched capacitor approach allows driving the lumped silicon photonic MZM with reduced power consumption compared w...

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关键词

CMOS integrated circuits,driver circuits,elemental semiconductors,integrated optics,optical modulation,optical transmitters,pulse amplitude modulation,silicon

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