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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the carrier frequency theoretically increases the available transmission
bandwidth and, consequently, provides a larger ... Thus, the trend in electrical
communication system developments was to employ progressively higher
Since in all lasers the gain is a function of frequency (or wavelength, since c = vk)
, there will be a range of frequencies (or wavelengths) for which Eq. (4-40) holds.
Each of these frequencies corresponds to a mode of oscillation of the laser.
Normally, this is done in terms of the 3-dB bandwidth, which is the modulation
frequency at which the optical power has fallen to one-half the value of the zero
frequency modulation (dc value). From Eq. (8-14), this is 0.440 0.187„ /3-dB
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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