Abstract
An optical architecture is described for performing pipelined matrix-matrix multiplications. The architecture is implemented using multiple transducer acousto-optic devices and a wideband photodetector array. A variant of engagement formatting allows multiple inner products to be simultaneously computed by 1-D spatial integration, and through proper pipelining the full product matrix is produced at the output of the detector array. The output matrix in this architecture is in a format that is directly compatible with the input, a feature that can facilitate the implementation of iterative matrix algorithms. Digital multiplication by analog convolution can be incorporated for improved accuracy by using a frequency multiplexed representation of the binary data.
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