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
2πη ( λ ) ...
Since in this type of material the current is carried by ( negative electrons (
because the electron concentration is much higher than that of holes ) , it is called
n - type material . The conduction can also be increased by adding group III
which is valid for both intrinsic and extrinsic materials under thermal equilibrium .
Since the electrical conductivity is proportional to the carrier concentration , two
types of charge carriers are defined for this material : 1. Majority carriers refer ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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