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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When solving Maxwell's equations for hollow metallic waveguides, only
transverse electric (TE) modes and transverse magnetic (TM) modes are found.
However, in optical fibers the core-cladding boundary conditions lead to a
Electric field FIGURE 6-5 Reach-through avalanche photodiode structure and the
electric fields in the depletion and multiplication regions. acts as the collection
region for the photogenerated carriers. Upon being absorbed, the photon gives ...
t j r Electric input pulses LED or laser transmitter JUT ♢ t ♢ > Optical power pulses
^Optical fiber ^ /\/\ t t ♢ Attenuated and distorted optical power pulses pin or
avalanche photodiode /\/\ ♢ ♢ t Electric current pulses containing photodetector
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown