Tandem resonator reflectance modulator
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United States of America Patent
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Sep 6, 1994
Grant Date -
N/A
app pub date -
Aug 12, 1992
filing date -
Aug 12, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wide band optical modulator is grown on a substrate as tandem Fabry-Perot resonators including three mirrors spaced by two cavities. The absorption of one cavity is changed relative to the absorption of the other cavity by an applied electric field, to cause a change in total reflected light, as light reflecting from the outer mirrors is in phase and light reflecting from the inner mirror is out of phase with light from the outer mirrors.
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