Optical Fiber CommunicationsThe 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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Page 73
3 - 5 MODE COUPLING In real systems pulse distortion will increase less rapidly
after a certain initial length of fiber because of mode coupling and differential
mode loss . 62 - 64 In this initial length of fiber , coupling of energy from one
mode ...
3 - 5 MODE COUPLING In real systems pulse distortion will increase less rapidly
after a certain initial length of fiber because of mode coupling and differential
mode loss . 62 - 64 In this initial length of fiber , coupling of energy from one
mode ...
Page 249
If this time difference is t , then the length L is given by CA L = 2n ( 9 - 9 ) where n
, is the core refractive index of the fiber . For 5 - ns - wide laser input pulses , the
length resolution of this method is approximately 1 m . A difficulty that may arise ...
If this time difference is t , then the length L is given by CA L = 2n ( 9 - 9 ) where n
, is the core refractive index of the fiber . For 5 - ns - wide laser input pulses , the
length resolution of this method is approximately 1 m . A difficulty that may arise ...
Page 251
Thus , to measure accurately pulse spreading in low - dispersion fibers , very
long fiber lengths are required . ... both of which vary with fiber length , dispersion
measurement over a fixed fiber length cannot generally be directly extrapolated
to ...
Thus , to measure accurately pulse spreading in low - dispersion fibers , very
long fiber lengths are required . ... both of which vary with fiber length , dispersion
measurement over a fixed fiber length cannot generally be directly extrapolated
to ...
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Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
9 other sections not shown
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Common terms and phrases
absorption active addition amplifier angle applications approximately arise assume attenuation avalanche band bandwidth becomes bias cable carrier characteristics cladding communication components condition consider constant core coupling defined density depends detector determined device dispersion distance distortion effects efficiency electric Electron emitting energy equal equation example expression factor field Figure frequency function gain given gives glass graded-index guided IEEE important increases input laser diodes length less light limit loss material measured mechanical method modes modulation noise occurs operating optical fiber optical power optical source output parameter percent photodetector photodiode photon propagation pulse quantum range ratio receiver referred reflection region respectively response rise shown in Fig signal spectral surface technique temperature transmission transmitter values various voltage wave waveguide wavelength width York
References to this book
Bibliographic information
| Title | Optical Fiber Communications Electrical Engineering Series McGraw-Hill Series in Electrical Engineering. Communications McGraw-Hill series in electrical and computer engineering McGraw-Hill series in electrical engineering: Communications and information theory |
| Author | Gerd Keiser |
| Edition | 3, illustrated |
| Publisher | McGraw-Hill, 1983 |
| Original from | the University of Michigan |
| Digitized | 7 Dec 2007 |
| ISBN | 0070334676, 9780070334670 |
| Length | 318 pages |
| Export Citation | BiBTeX EndNote RefMan |