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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A true measurement of the power available from the flylead for coupling into a
fiber can be determined only by stripping off the cladding modes before
measuring the output optical power. 5.1 SOURCE-TO-FIBER POWER
LAUNCHING A ...
In specifying the performance of an optical coupler, one usually indicates the
percentage division of optical power between the output ports by means of the
splitting ratio or coupling ratio. Referring to Fig. 10-4, with Po being the input
As a quick review, the excess loss is defined as the ratio of the input power to the
total output power. That is. it is the fraction of power lost in the process of coupling
light from the input port to all the output ports. From Eq. (10-25), for a single ...
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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