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Fiber-optic signal processor with applications to matrix–vector multiplication and lattice filtering

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Abstract

A new fiber-optic signal processor is proposed to implement systolic matrix–vector multipliers and lattice filters. 109 multiplications/sec can be achieved with currently available components for matrix–vector multiplications that involve Toeplitz matrices. A 2 × 2 (Toeplitz) matrix–vector multiplier has been experimentally demonstrated using single-mode fibers and directional couplers. The filtering characteristics of the device are also discussed.

© 1982 Optical Society of America

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