Dynamic photorefractive optical memory

We investigate an architectural approach to dynamic three-dimensional volume storage that circulates holograms between two photorefractive crystals. Introduction of an optical amplifier into the system increases the effective write-erase asymmetry of the crystals and permits the amplification of the...

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Bibliographic Details
Published in:Optics letters 1991-12, Vol.16 (23), p.1874-1876
Main Authors: SASAKI, H, FAINMAN, Y, FORD, J. E, TAKETOMI, Y, LEE, S. H
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Holography
Optics
Physics
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Summary:We investigate an architectural approach to dynamic three-dimensional volume storage that circulates holograms between two photorefractive crystals. Introduction of an optical amplifier into the system increases the effective write-erase asymmetry of the crystals and permits the amplification of the recalled images. This memory architecture is experimentally shown to provide write-erase storage with robustness to multiple optical readouts.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.16.001874