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The phenomenal growth in Internet traffic has lead to a huge increase in demand for data transmission capacity on a worldwide level. As a result, wavelength division multiplexing (WDM) technology emerged, which makes it possible to transmit a large number of optical channels on a single optical fiber. An equally significant development occurred in optical networks, where switching and routing of signals takes place in the optical domain. This technology places special demands on the optical sources (lasers) used in the system. This text offers a description of the optical sources (equipment and devices) designed to meet these demands. Sources for DWDM Systems is intended for the engineers and graduate students working on optical networks. There is currently a nearly explosive interest in optical networks and the components required for such networks, but there is presently no single work which covers the variety of optical sources which may be used. This book will cover a particular component, tunable lasers, which is the next "big thing" in DWDM. The primary market are engineers developing tuneable lasers for optical networks, as well as graduate students enrolled in the optical engineering curriculum, especially: optical communication, semiconductor lasers, optical networks, and/or components for optical networks.

An essential introduction to the powerful new developments in optoelectronics Tunable laser diodes, characterized by their unique ability to "tune in"to different wavelengths, thus significantly improving the efficiency of the switch, are rapidly becoming key components for advanced optical communication. Tunable Laser Diodes and Related Optical Sources, Second Edition is a much-needed single reference covering the range of optical networks and the components they require, with emphasis on tunable lasers. Written by respected experts in this groundbreaking technology, this resource covers fundamentals not only of tunable laser diodes, but also modern laser diodes in general, from theory to applications. Highlights include: * Basic properties of semiconductor lasers * Essential properties for single-mode laser diodes * Principles, design and practice of tunable laser diodes * Optical components related to tunable lasers and non-semiconductor tunable lasers * Application areas like optical communication, radar, environmental sensing, reflectometry, and circuit analysis Designed for engineers developing tunable lasers for optical networks, as well as graduate students enrolled in the optical engineering curriculum, Tunable Laser Diodes and Related Optical Sources, Second Edition promises to be the definitive resource on this groundbreaking optoelectronics technology.