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 basic limitation on the direct modulation rate of laser diodes depends on the
spontaneous (radiative) and stimulated carrier lifetimes and the photon lifetime.
The spontaneous lifetime rsp is a function of the semiconductor band structure ...
The photon lifetime rph is the average time that the photon resides in the lasing
cavity before being lost either by absorption or by emission through the facets. In
a Fabry-Perot cavity, the photon lifetime is1 rp-K"+i,n^)=> (4-49) For a typical ...
Lifetime tests of optical sources are carried out either at room temperature or at
elevated temperatures to accelerate the degradation process. A commonly used
elevated temperature is 70°C. The two most popular techniques for determining ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown