High-Speed SiGe BiCMOS Detector Enabling a 28 Gbps Quasi-Coherent Optical Receiver

Guillermo Silva Valdecasa, Omar Gallardo Puertas,Jose A. Altabas,Michele Squartecchia,Jesper Bevensee Jensen,Tom K. Johansen

IEEE Transactions on Circuits and Systems II: Express Briefs（2022）

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摘要

This brief presents a high-speed detector targeting quasi-coherent optical receivers operating up to 28 Gbps data rates. The circuit consists of a balanced rectifier based on diode-connected heterojunction bipolar transistors (HBTs) together with tailored input and output filtering networks. The rectifier is buffered by a linear DC-coupled single-ended to differential amplifier providing a 更多

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关键词

Detectors,Optical receivers,Optical filters,Baseband,Optical polarization,Optical amplifiers,Rectifiers

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