Optical communications system for transmitting information signals having different wavelengths over a same optical fiber
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United States of America Patent
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Jul 4, 1995
Grant Date -
N/A
app pub date -
Dec 1, 1992
filing date -
Dec 1, 1992
priority date (Note) -
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Abstract
An optical communications system provides optical signals of different wavelengths over an optical fiber having a zero dispersion wavelength. Electrical dispersion compensating elements independently compensate optical signals having wavelengths different than the zero dispersion wavelength for dispersion in the optical fiber. Limiting radio frequency signals for modulating a light emitting device or laser outputting signals at a wavelength different than the zero dispersion wavelength to less than one octave of frequency permits second order harmonic distortion resulting from dispersion in the fiber to be filtered at a receiving location. The optical communications system may include a reverse transmission path.
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