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Proceedings Paper

Three-dimensional memory system based on two-photon absorption
Author(s): Ram Piyaket; Ilkan Cokgor; Sadik C. Esener; Chad S. Solomon; Susan Hunter; Joseph Earl Ford; Alexander S. Dvornikov; Ivan V. Tomov; Peter M. Rentzepis
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Paper Abstract

We discuss a volume optical storage, a 3D memory based on two-photon absorption process. This memory has an advantage over a 2D memory in that it combines fast access time together with high memory capacity--a capability that 2D memories cannot deliver. Two-photon 3D memory allows the data to be accessed in parallel, and thus speeds up data transfer rate significantly. In this paper, we address the issue of memory hierarchy which has been organized to provide a performance continuum of different memory technologies available at present. We justify the two-photon 3D memory as a viable technology to fill the performance gap currently exists between a primary and secondary storage systems. We also discuss the system capacity pertaining to two unique addressing schemes, i.e., orthogonal beam addressing and counterpropagating beam addressing. Finally, we report the progress in system study regarding the effect of memory material characteristic to the system design and development. Factors such as optimum wavelengths for read/write operations, material fluorescence, material fatigue, and the concentration of active molecules in the host material were considered.

Paper Details

Date Published: 29 September 1994
PDF: 12 pages
Proc. SPIE 2297, Photonics for Processors, Neural Networks, and Memories II, (29 September 1994); doi: 10.1117/12.187316
Show Author Affiliations
Ram Piyaket, Univ. of California/San Diego (United States)
Ilkan Cokgor, Univ. of California/San Diego (United States)
Sadik C. Esener, Univ. of California/San Diego (United States)
Chad S. Solomon, Call/Recall, Inc. (United States)
Susan Hunter, Call/Recall, Inc. (United States)
Joseph Earl Ford, Call/Recall, Inc. (United States)
Alexander S. Dvornikov, Univ. of California/Irvine (United States)
Ivan V. Tomov, Univ. of California/Irvine (United States)
Peter M. Rentzepis, Univ. of California/Irvine (United States)

Published in SPIE Proceedings Vol. 2297:
Photonics for Processors, Neural Networks, and Memories II
Joseph L. Horner; Bahram Javidi; Stephen T. Kowel, Editor(s)

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