## 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 37

The solid acceptance angle for the fiber is therefore 12 = 702 = ( ni – nạ ) ( 2 - 52

) For electromagnetic radiation of wavelength 1 emanating from a laser or a

waveguide the number of modes per unit solid angle is

A is ...

The solid acceptance angle for the fiber is therefore 12 = 702 = ( ni – nạ ) ( 2 - 52

) For electromagnetic radiation of wavelength 1 emanating from a laser or a

waveguide the number of modes per unit solid angle is

**given**by 2A / 1 ? , whereA is ...

Page 206

7 - 7 Show that , by using Eq . ( 7 - 43 ) , the error probability expressions

by Eq . ( 7 - 42 ) both reduce to Eq . ( 7 - 44 ) . 7 - 8 Derive Eq . ( 7 - 47 ) by

differentiating both sides of Eq . ( 7 - 46 ) with respect to M and setting dbon / dM

= 0 .

7 - 7 Show that , by using Eq . ( 7 - 43 ) , the error probability expressions

**given**by Eq . ( 7 - 42 ) both reduce to Eq . ( 7 - 44 ) . 7 - 8 Derive Eq . ( 7 - 47 ) by

differentiating both sides of Eq . ( 7 - 46 ) with respect to M and setting dbon / dM

= 0 .

Page 207

7 - 16 The receiver sensitivity P , is

pulse times the pulse rate 1 / To ( if bofr = 0 ) : Find the sensitivity in dBm ( see

App . D ) of an avalanche photodiode receiver with an FET preamplifier at a 10 ...

7 - 16 The receiver sensitivity P , is

**given**by the average energy bon detected perpulse times the pulse rate 1 / To ( if bofr = 0 ) : Find the sensitivity in dBm ( see

App . D ) of an avalanche photodiode receiver with an FET preamplifier at a 10 ...

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### Contents

Structures and Waveguiding | 12 |

Signal Degradation in Optical Fibers | 48 |

Optical Sources | 80 |

Copyright | |

11 other sections not shown

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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