Orthogonal polarization encoding for reduction of interpixel cross talk in holographic data storage

Interpixel cross talk decreases the quality of a reconstructed signal in holographic data storage and imposes a limitation on its storage capacity. To reduce the interpixel cross talk, an orthogonal polarization encoding method is proposed. In the proposed method, the polarization state of each pixe...

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Bibliographic Details
Published inOptics express Vol. 25; no. 19; pp. 22425 - 22439
Main Authors Nobukawa, Teruyoshi, Barada, Daisuke, Nomura, Takanori, Fukuda, Takashi
Format Journal Article
LanguageEnglish
Published United States 18.09.2017
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Summary:Interpixel cross talk decreases the quality of a reconstructed signal in holographic data storage and imposes a limitation on its storage capacity. To reduce the interpixel cross talk, an orthogonal polarization encoding method is proposed. In the proposed method, the polarization state of each pixel is set to be orthogonal with that of surrounding pixels. This prevents the interference between nearest-neighboring pixels and significantly reduces the gross of the interpixel cross talk. The quality of the data page obtained with the proposed method is numerically and experimentally evaluated. Those results suggest that the proposed method can improve the quality of a reconstructed signal.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.25.022425