Optical Fiber Communications
The third edition of this popular text and reference book presents the fundamental principles for understanding and applying optical fiber technology to sophisticated modern telecommunication systems.
Optical-fiber-based telecommunication networks have become a major information-transmission-system, with high capacity links encircling the globe in both terrestrial and undersea installations. Numerous passive and active optical devices within these links perform complex transmission and networking functions in the optical domain, such as signal amplification, restoration, routing, and switching. Along with the need to understand the functions of these devices comes the necessity to measure both component and network performance, and to model and stimulate the complex behavior of reliable high-capacity networks.
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The spreading arises from the finite spectral emission width of an optical source .
This phenomenon is also known as group velocity dispersion ( GVD ) , since the
dispersion is a result of the group velocity being a function of the wavelength .
The effect of the spectral width of the optical source on the rms pulse width is
clearly demonstrated in Fig . 3 - 18 . The light sources shown are an LED , an
injection laser diode , and a distributed - feedback laser having rms spectral
widths of ...
Show that , if he is the full width of the gaussian pulse in Eq . ( 8 - 9 ) at the 1 / e
points , then the relationship between the 3 - dB optical bandwidth and le is given
by f3db = 0 . 53 8 - 6 . A 90 - Mb / s NRZ data transmission system that sends two
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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