Optical device and a method of processing a digital optical signal in parallel and in free space
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United States of America Patent
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Sep 18, 2001
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Jun 19, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical device is provided for processing a digital optical signal in parallel and in free space. A device consistent with the invention provides for inputting a digital optical signal in guided propagation, converting the digital optical signal to n digital optical signals in guided propagation, and converting the n digital optical signals to n digital optical signals in free space. In addition, the invention provides for selecting a bit preselected from the at least one temporal series of n bits of each of the n digital optical signals, modifying optically, at least one bit of the spatial figure of the n bits, and outputting the at least one bit of the spatial figure of n bits.
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