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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Whereas the FWHM power spectral widths of LEDs in the 800-nm region are
around 35 nm, this increases in longer-wavelength materials. For devices
operating in the 1300-to-1600-nm region, the spectral widths vary from around 70
to 180 ...
Detailed reviews of these photodiodes have been presented in the literature.3,5"
10 We shall examine the fundamental characteristics of these two device types in
the following sections. In describing these components, we shall make use of ...
One simple device is a power tap. Taps are nonuniform 2x2 couplers which are
used to extract a small portion of optical power from a fiber line for monitoring
signal quality. The three fundamental technologies for making passive
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown