Method and apparatus for switching an optical beam by modulating the phase of a portion of the optical beam in a semiconductor substrate
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United States of America Patent
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Oct 22, 2002
Grant Date -
Aug 1, 2002
app pub date -
Dec 12, 2000
filing date -
Dec 12, 2000
priority date (Note) -
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Abstract
A device for switching an optical beam in an optical switch. In one embodiment, the disclosed optical switch includes an optical switching device disposed in a semiconductor substrate. The optical switch also includes a first optical path through the semiconductor substrate such that the first optical path includes the optical switching device. A second optical path through the semiconductor substrate is included such that the second optical path not including the optical switching device. A first optical confinement layer is disposed between the first and second optical paths.
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