Optical modulator
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United States of America Patent
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Feb 14, 2006
Grant Date -
Jul 1, 2004
app pub date -
Feb 14, 2001
filing date -
Jan 30, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is an optical modulator for modulating light comprising: a superlattice structure having a plurality of interleaved narrow and wide bandgap semiconductor layers, wherein wave functions of energy states of electrons and holes in different narrow bandgap layers are coupled; and a power supply that applies voltage to the superlattice structure between a first non-zero voltage and a second non-zero voltage to modulate the light.
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