A 50-GBaud QPSK Optical Receiver With a Phase/Frequency Detector for Energy-Efficient Intra-Data Center Interconnects

A 50-GBaud QPSK Optical Receiver With a Phase/Frequency Detector for Energy-Efficient Intra-Data Center Interconnects

This paper describes the energy-efficient realization of a QPSK optical receiver (CoRX) for short-reach intra-datacenter interconnects based on analog coherent detection. The CoRX comprises inphase and quadrature channels for each polarization and a high-speed phase-frequency detector (PFD) that pro...

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Bibliographic Details
Main Authors: Luis A. Valenzuela, Yujie Xia, Aaron Maharry, Hector Andrade, Clint L. Schow, James F. Buckwalter
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Open Journal of the Solid-State Circuits Society
Subjects:
Coherent
analog coherent detection
optical receiver
quadrature phase shift keying
data center
energy efficiency
Online Access:https://ieeexplore.ieee.org/document/9708425/

Internet

https://ieeexplore.ieee.org/document/9708425/

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