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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2 Response Time The response time of a photodiode together with its output
circuit ( see Fig . 6 - 8 ) depends mainly on the following three factors : 1 . The
transit time of the photocarriers in the depletion region . 2 . The diffusion time of
However , they can be different at low bias levels where the photodiode is not
fully depleted , since the photon collection time then starts to become a significant
contributor to the rise time . In this case , charge carries produced in the depletion
0 um for a silicon pin photodiode having a 20 - um - thick depletion layer .
Assume R , = 0 . 6 - 4 . The low - frequency gain Mo of an avalanche photodiode
depends on the carrier ionization rate and on the width of the multiplication
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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