Optical communication systems
Elementary discussion of propagation in fibers; Attenuation in optical fibers and cables; Electromagnetic wave propagation in step-index fibers; Basic semicondutor properties; Injection luminescence; The use of heterostructures; Laser action in semicondutors; Semiconductors p-i-n photodiode detectors; Avalanche photodiode detectors; The receive amplifier; The regeneration of digital signals; Unguided optical comunication systems; Optical fiber comunication systems; The electromagnetic wave equation in an isotropic medium subject to cylindrical boundary conditions; Electromagnetic waves in graded-index fiber: the WKB approximation; Ray tragectories in graded-index fiber; Radiometry and photometry; Source-fiber coupling; Derivation of frequency response of a laser diode; The impulse response of a filter with antisymetric frequency response; Solutions to numerical problems.
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ELEMENTARY DISCUSSION OF PROPAGATION IN FIBERS
ATTENUATION IN OPTICAL FIBERS
THE MANUFACTURE AND ASSESSMENT OF SILICA FIBERS
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absorption active layer amplifier assume attenuation avalanche band band-gap bandwidth bit rate cable Calculate carrier Chapter characteristics cladding coefficient communication systems concentration core diameter current density dB/km depletion layer detector device diffusion diode discussed distribution doped double heterostructure effect electric field electromagnetic electron emission emitted energy levels equation factor frequency GaAs give rise graded-index fibers heterojunction heterostructure holes increase injection input laser sources lasing lasing threshold limit loss material dispersion Mb/s minimum mode groups modulation multimode multipath multipath dispersion normally ns/km obtained optical communication optical fiber optical power output p-n junction p-type parameter photon propagation constant pulse width quantum efficiency radiation range recombination reduced refractive index region resonance result Section semiconductor shot noise shown in Fig signal signal-to-noise ratio silica single-mode spectral step-index fiber surface temperature threshold tion transit transmission values variation voltage wave waveguide wavelength