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1 January 1987 Optical Feedback By Four Wave Mixing In Optical Processing Systems
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Proceedings Volume 0813, Optics and the Information Age; (1987) https://doi.org/10.1117/12.967175
Event: 14th Congress of the International Commission for Optics, 1987, Quebec, Canada
Abstract
The advantage of optical signal processing and computing is mainly due to its two-dimensional complex computing ability with the fastest speed. Of computation algorithms, quite a few are iterative or recursive, such as vector or matrix multiplication over a given matrix for many times, and the computation of derivatives of much high order, etc. These algorithms are also suitable for optical computing . To perform iterative algorithms, the output from a computation step reenters the system as the input for the next step, therefore a feedback loop is needed. Many optical signal processing systems have spatial light modulators that are electrically addressed, and the photon-to-electron and electron-to-photon conversions reduce the processing speed and increase the system complexity. In this paper we propose an all-optical signal processing system for performing the iterative algorithms by using a four wave mixing material which introduces a feedback loop in the system. We believe that this system may also be used as an optical two-dimensional dynamic memory device.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xinbing Liu, Jian Wang, and Jianquan Yao "Optical Feedback By Four Wave Mixing In Optical Processing Systems", Proc. SPIE 0813, Optics and the Information Age, (1 January 1987); https://doi.org/10.1117/12.967175
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