Ordered semiconductor having periodical disorder and devices made therefrom
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United States of America Patent
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Sep 29, 1998
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N/A
app pub date -
Apr 17, 1996
filing date -
Apr 17, 1996
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Abstract
Disclosed is a novel combination of a particular class of semiconductors with a particular waveguide structure, realizing a practically efficient optical semiconductor device. The class of material used is ordered semiconductors, examples of which are GaInP and AlGaInP in which atomic-layer superlattices are formed. These superlattices are demonstrated to be useful with respect to a particular nonlinear mechanism, by combining with a particular waveguide structure known as a quasi-phase matching structure. The device disclosed is particularly useful for being utilized as a light switch and a light-wavelength converter used for ultrafast optical communication.
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