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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Gerd Keiser. 3.2.5 Signal Distortion in Single-Mode Fibers For single-mode fibers
, waveguide dispersion is of importance and can be of the same order of
magnitude as material dispersion. To see this, let us compare the two dispersion
3.5.1 Refractive-Index Profiles In the design of single-mode fibers, dispersion
behavior is a major distinguishing feature, since this is what limits long-distance
and very high-speed transmission. Comparing Figs. 3-3 and 3-16, we see that ...
The dispersion is commonly expressed in ps/(nmkm). The broadening a of an
optical pulse over a fiber of length L is given by a = D(k)Lax (3-54) where ak is
the half-power spectral width of the optical source. To measure the dispersion,
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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