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Adaptive reconfigurable interconnects using a LCLV

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Abstract

In signal processing, optical computing, communication, holographic memory lookup, pattern recognition, capability of reconfigurable interconnection is an extremely desirable feature. Optics can offer very high bandwidth, high propagation speed, noninterfering, high density, parallelism, and also dynamic reconfigurability. Multiple correlation can be achieved using an interconnections1,2 network. Recording interferometer patterns generated by a multiple source of light, an interconnection grating may be designed. A collimating beam can be split and then reflected by plane mirrors. The reflected beams are allowed to interfere with one another and then the interference pattern is recorded on a recording device such as a liquid crystal light valve. The interference pattern, if illuminated by a plane wave, will result in providing interconnection between the read beam and different locations of the output. For reconfigurability, the angular orientation of the mirrors can be controlled by changing the actuation input to the piezoelectric mirrors or certain beams may be prohibited from interfering using electronic shutters.

© 1991 Optical Society of America

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