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 142
... by B ( O ) = B , cos " 0 Section 5 - 2 5 - 7 Use Eq . ( 5 - 4 ) to verify Eq . ( 5 - 16 ) .
5 - 8 On the same graph plot the maximum coupling efficiencies as a function of
the source radius rs for the following fibers : ( a ) core radius of 25 um and NA ...
... by B ( O ) = B , cos " 0 Section 5 - 2 5 - 7 Use Eq . ( 5 - 4 ) to verify Eq . ( 5 - 16 ) .
5 - 8 On the same graph plot the maximum coupling efficiencies as a function of
the source radius rs for the following fibers : ( a ) core radius of 25 um and NA ...
Page 143
K . H . Yang and J . D . Kingsley , “ Calculation of coupling losses between light
emitting diodes and low loss optical fibers , ” Appl . Opt . , 14 , 288 - 293 , Feb .
1975 . 8 . B . S . Kawasaki and D . C . Johnson , “ Bulb - ended fiber coupling to
LED ...
K . H . Yang and J . D . Kingsley , “ Calculation of coupling losses between light
emitting diodes and low loss optical fibers , ” Appl . Opt . , 14 , 288 - 293 , Feb .
1975 . 8 . B . S . Kawasaki and D . C . Johnson , “ Bulb - ended fiber coupling to
LED ...
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Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
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absorption active addition amplifier angle aperture applications approximately assume attenuation avalanche band bandwidth 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 refractive region respectively response rise shown in Fig signal spectral surface technique temperature transmission transmitter values various voltage wave waveguide wavelength width York