Novel three-dimensional optical memory device enables rapid data access in a polymer matrix, suggesting significant advancements in storage technology.
A novel three-dimensional (3-D) optical memory device is presented that allows fast random access of the information and extremely high bit densities. This device is based on two-photon writing, reading, and erasing of the information in a photochromic material embedded in a polymer matrix. Absorption and emission data show that two-photon writing and reading of information is feasible. The advantages and properties of such a 3-D optical memory are discussed.
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Parthenopoulos et al. (1989) studied this question.
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