Title :
High-capacity optical storage using multiple wavelengths, multiple layers and volume holograms
Author :
Homan, S. ; Willner, A.E.
Author_Institution :
Dept. of Electr. Eng. Syst., Univ. of Southern California, Los Angeles, CA, USA
fDate :
4/13/1995 12:00:00 AM
Abstract :
A system is proposed that combines both the multilayer storage and the wavelength multiplexing afforded by using volume holograms to enhance by several fold the optical data storage capacity of compact discs. The storage capacity and interchannel crosstalk are analysed as functions of data-channel wavelength separation and reading beam spot size. A storage capacity of 9.7 Gbyte per disc is provided when six layers and six wavelengths are used
Keywords :
holographic gratings; holographic storage; optical crosstalk; optical disc storage; wavelength division multiplexing; 9.7 Gbyte; CD storage; compact discs; data-channel wavelength separation; high-capacity optical storage; interchannel crosstalk; multilayer storage; multiple layers; multiple wavelengths; optical data storage capacity; reading beam spot size; volume holograms; wavelength multiplexing;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950463
