IEICE Electronics Express
Online ISSN : 1349-2543
REVIEW PAPER
High-performance compound-semiconductor integrated circuits for advanced digital coherent optical communications systems
Munehiko NagataniHideyuki Nosaka
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2016 Volume 13 Issue 18 Pages 20162003

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Abstract

Communications traffic over photonic networks is exponentially increasing due to the spread of broadband applications. To cope with the rapid growth, novel 100-Gb/s digital coherent systems have been deployed recently in optical core networks. Further research and development of digital coherent technologies with channel rates of beyond 100 Gb/s is now being conducted. Optical transceivers for such high-speed communications systems need high-performance analog and mixed-signal electronic circuits such as optical modulator drivers, transimpedance amplifiers (TIAs), analog-to-digital converters (ADCs), and digital-to-analog converters (DACs). Compound-semiconductor integrated circuits (ICs) have played key roles in this technical field. This paper reviews recent trends in compound-semiconductor ICs for such advanced digital coherent optical communications systems and presents our latest results based on InP heterojunction bipolar transistor (HBT) technology.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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