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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To calculate material - induced dispersion , we consider a plane wave
propagating in an infinitely extended dielectric medium that has a refractive index
n ( a ) equal to that of the fiber core . The propagation constant B is thus given as
2nn ( a ) ...
Consider two identical single - mode optical fibers that have a core refractive
index ni = 1 . 48 and a mode - field radius W = 5 um at 1300 nm . Assume the
material between the fiber ends is air with an index of 1 . 0 . Using Eq . ( 5 - 43 ) ,
Consider a five - channel frequency - division - multiplexed ( FDM ) system
having carriers at fi , f2 = fi + 1 , f3 = fi + 24 , f4 = fi + 3A , and fs = fi + 4A , where A
is the spacing between carriers . On a frequency plot , show the number and
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
14 other sections not shown