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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It is formed by the time- division multiplexing of 24 voice channels, each digitized
at a 64-kb/s rate. Framing bits are added along with these voice channels to yield
the 1.544-Mb/s bit stream. At any level, a signal at the designated input rate is ...
To do this, one can employ a multiplexing technique where a number of
baseband signals are superimposed on a set of TV subcarriers that have different
frequencies /1,/2. • • • .//v- These modulated subcarriers are then combined
9.3.3 Subcarrier Multiplexing There is also great interest in using RF or
microwave subcarrier multiplexing for high-capacity lightwave systems.1,2,25"28
The term subcarrier multiplexing (SCM) is used to describe the capability of
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
12 other sections not shown