Optical Matrix Processors

Matrix algebra provides a mathematical language into which different classes of problems can be formulated in a consistent manner. These problems include those encountered in signal and image processing and numeric as well as symbolic computing. The fundamental operations of matrix algebra involve the arithmetic operations of multiplication and addition/subtraction along with global interconnections between one- or two-dimensional arrays of numbers. Both of these characteristics match the advantages provided by an optical system. A hierarchical view of the matrix operations is given and different optical architectures for implementing the basic operations of matrix algebra are surveyed.

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