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Proceedings Paper

Shift multiplexing in a compact holographic storage system by using planar waveguide referencing
Author(s): Tao Yi; Jiasen Zhang; Lifen Yan; Qihuang Gong
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Paper Abstract

We propose a shift multiplexing method for a compact holographic volume storage system by using planar waveguide referencing. In the method, a planar waveguide is used to steer the reference beam and shift multiplexing is implemented by shifting the recording medium. We measure the diffraction efficiencies with respect to the shift distance of the medium for different widths of the waveguide. The selectivity of the storage system can be about 1.0 μm when the width of the waveguide is 0.05 mm. Multiple holograms are stored with a spatial separation of 2.5 μm. By using the planar waveguide, a high storage density can be achieved. As the planar waveguide is already commonly used in integrated optical systems, the whole storage system can become more compact and simpler.

Paper Details

Date Published: 28 January 2005
PDF: 8 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.572539
Show Author Affiliations
Tao Yi, Peking Univ. (China)
Jiasen Zhang, Peking Univ. (China)
Lifen Yan, Peking Univ. (China)
Qihuang Gong, Peking Univ. (China)

Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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