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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(Reproduced with permission from Sato,1 © 1983, IEEE.) In this case, the carrier-
to-noise ratio is directly proportional to the square of the received optical power,
so that for each 1-dB variation in received optical power, C/N will change by 2 dB
(Reproduced with permission from Way,2 © 1989, IEEE.) Preamplifier noise
figure = 2 dB AM bandwidth per channel = 4 MHz FM bandwidth per channel =
30 MHz Again, assuming a per-channel optical modulation index of 5 percent,
the AM ...
(Reproduced with permission from Barry and Humblet,42 © IEEE, 1996.) effect.
Analogous to Fig. 12-22, this depicts the achievable utilization p for Pb = 10-3 as
a function of the number of wavelengths for H = 5, 10, and 20 hops. In contrast to
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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