Affiliation:
1. Indian Institute of Technology Madras
2. Aston University
3. Institute of Materials Research and Engineering
4. Dublin City University
5. The National Institute of Advanced Science and Technology
6. University of Rochester
Abstract
Owing to advances in fabrication technology and device design,
semiconductor optical amplifiers (SOAs) are evolving as a promising
candidate for future optical coherent communication links. This review
article focuses on the fundamentals and broad applications of SOAs,
specifically for optical channels with advanced modulation formats, as
an integrable broadband amplifier in commercial transponders and as a
nonlinear medium for optical signal processing. We discuss the basic
functioning of an SOA and distortions of coherent signals when SOAs
are used as amplifiers. We first focus on the techniques used for
low-distortion amplification of phase-modulated signals using SOAs.
Then we discuss optical signal processing techniques enabled by SOAs
with an emphasis on all-optical wavelength conversion, optical phase
conjugation, and phase quantization of coherent optical signals.
Funder
People Programme (Marie Curie Actions) of
the European Union’s Seventh Framework Programme
Scheme for Promotion of Academic and
Research Collaboration
Department of Science and Technology,
Ministry of Science and Technology, India
National Science Foundation
Science Foundation Ireland
Visvesvaraya PhD Scheme
Subject
Atomic and Molecular Physics, and Optics
Cited by
33 articles.
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