Optical Communication Theory and Techniques

Released on by Enrico Forestieri
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  • Optical Communication Theory and Techniques Book Detail

  • Author : Enrico Forestieri
  • Release Date : 2004-10-21
  • Publisher : Springer Science & Business Media
  • Genre : Computers
  • Pages : 232
  • ISBN 13 : 9780387231327
  • File Size : 9,9 MB
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Optical Communication Theory and Techniques by Enrico Forestieri PDF Summary

Book Description: Since the advent of optical communications, a greattechnological effort has been devoted to the exploitation of the huge bandwidth of optical fibers. Sta- ing from a few Mb/s single channel systems, a fast and constant technological development has led to the actual 10 Gb/s per channel dense wavelength - vision multiplexing (DWDM) systems, with dozens of channels on a single fiber. Transmitters and receivers are now ready for 40 Gb/s, whereas hundreds of channels can be simultaneously amplified by optical amplifiers. Nevertheless, despite such a pace in technological progress, optical c- munications are still in a primitive stage if compared, for instance, to radio communications: the widely spread on-off keying (OOK) modulation format is equivalent to the rough amplitude modulation (AM) format, whereas the DWDM technique is nothing more than the optical version of the frequency - vision multiplexing (FDM) technique. Moreover, adaptive equalization, ch- nel coding or maximum likelihood detection are still considered something “exotic” in the optical world. This is mainly due to the favourable char- teristics of the fiber optic channel (large bandwidth, low attenuation, channel stability, ...), which so far allowed us to use very simple transmission and detection techniques.

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