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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Under steady-state conditions, the total current density 7tot flowing through the
reverse-biased depletion layer is37 ./tot = Jit + Jditf (6-20) Here, J^t is the drift
current density resulting from carriers generated inside the depletion region, and
Thus, from Eq. (4-31), the sum of the injection, stimulated-emission, and
spontaneous-recombination rates gives the rate equation that governs the carrier
density n(t) in the excited state 5 "gUjWO -*,«-!*, (ii-D at Tr where RP(t) = ^j (11-2)
is the ...
TOO J—Oo (E-3) The fundamental property of Gv(f) is that by integrating over all
frequencies we obtain ||u||2: f GvUW = Rv(0) = \\vf (E-4) J — oo The spectral
density thus tells how energy or power is distributed in the frequency domain.
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown