12 Holographic Data Storage and Information Processing
12.1 Introduction
Requirements for information storage and processing capacity are growing inexorably, fuelled by the demands of advanced mathematical modelling techniques in the sciences and engineering, climatology, bioinformatics, economics, the security industries, as well as entertainment and consumer demand.
Developments in data storage using optical discs have resulted in massive capacity with 25 Gbytes on a single disc now commonplace and larger capacities possible using multiple layers and smaller wavelengths. Ultimately, however, the surface area required to store a single bit of data on an optical disc cannot be reduced below a limit set by the ...
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