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 51
... decibels per kilometer ( see App . D for a discussion of decibels ) : Pin / Pout απ 10 log L ( 3-1 ) = An ideal fiber would have no loss so that Pout Pin . This corresponds to a 0 - dB attenuation , which in practice is impossible . An ...
... decibels per kilometer ( see App . D for a discussion of decibels ) : Pin / Pout απ 10 log L ( 3-1 ) = An ideal fiber would have no loss so that Pout Pin . This corresponds to a 0 - dB attenuation , which in practice is impossible . An ...
Page 269
... decibels per kilometer of the three individual fibers ? What are the splice losses in decibels ? What are some possible reasons for the large splice loss occurring between the second and third fiber ? 100 Relative back - scattered power ...
... decibels per kilometer of the three individual fibers ? What are the splice losses in decibels ? What are some possible reasons for the large splice loss occurring between the second and third fiber ? 100 Relative back - scattered power ...
Page 301
... decibel differences of + 10N dB and 10N dB , respectively . D - 2 THE dBm The decibel is used to refer to ratios or ... decibels , multiply the number of nepers by 20 log e = 8.686 ( D - 3 ) APPENDIX E TOPICS FROM SEMICONDUCTOR PHYSICS ...
... decibel differences of + 10N dB and 10N dB , respectively . D - 2 THE dBm The decibel is used to refer to ratios or ... decibels , multiply the number of nepers by 20 log e = 8.686 ( D - 3 ) APPENDIX E TOPICS FROM SEMICONDUCTOR PHYSICS ...
Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
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absorption amplifier angle Appl attenuation avalanche photodiode band gap bandwidth Bell Sys bias cable carrier Chap cladding coefficient communication systems components connector coupler coupling coupling loss data rate dB/km decibels density detector device distortion electric electromagnetic emission emitting energy equation fiber core fiber end fiber optic Figure frequency function given by Eq glass fibers graded-index fiber IEEE Trans input laser diodes layer Lett lifetime light source loss material dispersion measured method modal modulation multimode fibers n₁ n₂ numerical aperture operating optical output optical power optical signal optical source optical waveguide output power parameter percent photodetector photon pin photodiode preform propagation quantum efficiency radiation radius ratio receiver recombination refractive index refractive-index refractive-index profile semiconductor shown in Fig silica single-mode spectral width splice star coupler step-index fiber surface T-coupler technique temperature thermal noise transmitter values voltage wave wavelength