Interferometric modulator for optical signal processing
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United States of America Patent
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May 24, 1994
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N/A
app pub date -
Oct 23, 1991
filing date -
Oct 23, 1991
priority date (Note) -
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Abstract
An interferometric modulator uses a beamsplitter to produce deflected and transmitted light beams onto mirrored surfaces of a piezoelectric crystal pair, one piezoelectric crystal being driven by a modulating voltage signal, whereupon the light beams are reflected back to the beamsplitter to produce a modulated optical output signal, with the modulator being especially adaptable for use as an digital photonic clock, as a pulse width/amplitude modulator, and as a bistable optical memory cell.
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