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 175
... voltage level is switched between two values which are usually on and off . The resultant signal wave thus consists of a voltage pulse of amplitude V relative to the zero voltage level when a binary 1 occurs and a zero voltage level ...
... voltage level is switched between two values which are usually on and off . The resultant signal wave thus consists of a voltage pulse of amplitude V relative to the zero voltage level when a binary 1 occurs and a zero voltage level ...
Page 181
... voltage ( v ) which is superimposed on the signal voltage at the decision time . The statistics of the output voltage at the sampling time are very complicated , so that an exact calculation is rather tedious to perform . A number of ...
... voltage ( v ) which is superimposed on the signal voltage at the decision time . The statistics of the output voltage at the sampling time are very complicated , so that an exact calculation is rather tedious to perform . A number of ...
Page 260
... voltage characteristic of an LED . This has a typical diode shape , as shown in Fig . 9-16 . The knee of the curve 100 Forward current ( mA ) 80 60 000 20 0.4 0.8 1.2 1.6 2.0 Forward voltage ( V ) Figure 9-16 Typical current - versus - ...
... voltage characteristic of an LED . This has a typical diode shape , as shown in Fig . 9-16 . The knee of the curve 100 Forward current ( mA ) 80 60 000 20 0.4 0.8 1.2 1.6 2.0 Forward voltage ( V ) Figure 9-16 Typical current - versus - ...
Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
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absorption amplifier angle 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 silicon single-mode spectral width splice star coupler step-index fiber surface T-coupler technique temperature thermal noise transmitter values voltage wave wavelength