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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voltage-level space when a binary 0 occurs. Depending on the coding scheme to
be used, a 1 may or may not fill the time slot Tn. For simplicity, here we assume
that when a 1 is sent, a voltage pulse of duration Tn occurs, whereas for a 0 the ...
tion functions;9 23 that is, p(y\x) is the probability that the output voltage is y,
given that an x was transmitted. If the threshold voltage is uth then the error
probability Pe is defined as Pe = aPl(v<h) + bPo(vth) (7-18) The weighting factors
a and b ...
7.3.1 Receiver Noises* We now turn our attention to calculating the noise
voltages or, equivalently, the noise currents. If vN(t) is the noise voltage causing
vout(t) to deviate from its average value, then the actual equalizer output voltage
is of ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown