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 145
The first element of this receiver is a photodetector. The photodetector senses the
luminescent power falling upon it and converts the variation of this optical power
into a correspondingly varying electric current. Since the optical signal is ...
The first element of this receiver is a photodetector. The photodetector senses the
luminescent power falling upon it and converts the variation of this optical power
into a correspondingly varying electric current. Since the optical signal is ...
Page 153
6-2 PHOTODETECTOR NOISE In fiber optic communication systems the
photodiode is generally required to detect very weak optical signals. Detection of
the weakest possible optical signals requires that the photodetector and its
following ...
6-2 PHOTODETECTOR NOISE In fiber optic communication systems the
photodiode is generally required to detect very weak optical signals. Detection of
the weakest possible optical signals requires that the photodetector and its
following ...
Page 166
When light having photon energies greater than or equal to the band gap energy
of the semiconductor material is incident on a photodetector, the photons can
give up their energy and excite electrons from the valence band to the conduction
...
When light having photon energies greater than or equal to the band gap energy
of the semiconductor material is incident on a photodetector, the photons can
give up their energy and excite electrons from the valence band to the conduction
...
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Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
10 other sections not shown
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Common terms and phrases
absorption amplifier angle Appl approximately attenuation avalanche photodiode band gap bandwidth Bell Sys bias cable carrier Chap cladding coefficient communication systems components connector coupler coupling coupling loss data rate 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 numerical aperture operating optical fiber communication optical output optical power optical signal optical source optical waveguide output power parameter percent photodetector photon pin photodiode preform propagation pulse spreading quantum efficiency Quantum Electron radiation radius ratio receiver recombination refractive index refractive-index refractive-index profile semiconductor shown in Fig silica silicon single-mode spectral width splice star coupler step-index fiber surface T-coupler technique temperature thermal noise transmitter values voltage wave wavelength
References to this book
Bibliographic information
| Title | Optical fiber communications McGraw-Hill series in electrical engineering: Communications and information theory Electrical Engineering Series McGraw-Hill series in electrical engineering |
| Author | Gerd Keiser |
| Edition | 2, illustrated |
| Publisher | McGraw-Hill, 1983 |
| Original from | the University of Michigan |
| Digitized | 7 Dec 2007 |
| ISBN | 0070334676, 9780070334670 |
| Length | 318 pages |
| Subjects | › › Fiber optics Optical communications Technology & Engineering / Electronics / General Technology & Engineering / Fiber Optics Technology & Engineering / Telecommunications |
| Export Citation | BiBTeX EndNote RefMan |