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High Spectral Density Optical Communication Technologies

  • Book
  • © 2010

Overview

  • Summarizes the state of the art in optical communication technology
  • Presents the latest developments in high-spectral density optical communication
  • Hottest topics in optical fiber communication covered for electronic and optical devices, digital signal processing, modulation formats and transmission systems
  • Useful reference to optical engineers, researchers and graduate students
  • Includes supplementary material: sn.pub/extras

Part of the book series: Optical and Fiber Communications Reports (OFCR, volume 6)

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Table of contents (17 chapters)

  1. Overview and System Technologies

  2. Advanced Modulation Formats

  3. Opto-electronics Devices

Keywords

About this book

The growth of Internet traf?c in recent years surpassed the prediction of one decade ago. Data stream in individual countries already reached terabit/s level. To cope with the petabit class demands of traf?c in coming years the communication engineers are required to go beyond the incremental improvement of today’s technology. A most promising breakthrough would be the introduction of modulation f- mats enabling higher spectral ef?ciency than that of binary on–off keying scheme, virtually the global standard of ?ber-optic communication systems. In wireless communication systems, techniques of high spectral density modulation have been well developed, but the required techniques in optical frequency domain are much more complicated because of the heavier ?uctuation levels. Therefore the past trials of coherent optical modulation/detection schemes were not successful. However, the addition of high-speed digital signal processing technology is the fundam- tal difference between now and two decades ago, when trials of optical coherent communication systems were investigated very seriously. This approach of digital coherent technology has attracted keen interest among communication specialists, as indicated by the rapid increase in the pioneering presentations at the post-deadline sessions of major international conferences. For example, 32 terabit/s transmission in a ?ber experiment based on this technology was reported in post-deadline session of Optical Fiber Communication Conference (OFC) 2009. The advancement of the digital coherent technologies will inevitably affect the network architecture in terms of the network resource management for the new generation photonic networks, rather than will simply provide with huge transmission capacity.

Editors and Affiliations

  • Research Inst. Electrical Communication, Lab. Ultrahigh-Speed Optical, Tohoku University, Sendai-shi, Miyagi-ken, Japan

    Masataka Nakazawa

  • Dept. Electrical Engineering &, Information Systems, University of Tokyo, Kashiwa-shi, Chiba, Japan

    Kazuro Kikuchi

  • Communication Technology, New Generation Network Research Center, National Institute of Information and, Tokyo, Japan

    Tetsuya Miyazaki

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