Feedbackless nonlinear holographic associative memories

Peter V. Polyanskii

doi:10.1117/12.284787

20 October 1997 Feedbackless nonlinear holographic associative memories

Peter V. Polyanskii

Proceedings Volume 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing; (1997) https://doi.org/10.1117/12.284787
Event: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, 1997, none, Ukraine

Abstract

Special class of all-optical holographic associative memories with a nonlinearity in the filter domain is represented. Natural nonlinearity, just a nonlinear part of a holographic recording, lies in the basis of auto- and heteroassociative processes. It is shown, that the developed here class of quadric hologram-based associative memories is the widest generalization of a holographic matched filter technique including informative properties of ghost-image holography, Vander Lugt's correlator, so-called 'second-order holography' using photorefractive oscillators, and nonlinear holographic associative processor to archival data storage and implementation of optical interconnections are discussed.

Citation Download Citation

Peter V. Polyanskii "Feedbackless nonlinear holographic associative memories", Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); https://doi.org/10.1117/12.284787

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KEYWORDS

Holography

Content addressable memory

Nonlinear filtering

Optical filters

Data processing

Data storage

Holograms

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