Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy

doi:10.3390/app4020158

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Appl. Sci. 2014, 4(2), 158-170; doi:10.3390/app4020158

Article

Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy

Daisuke Barada^1,2,3,* , Hiroki Sekiguchi²

, Takashi Fukuda³

, Shigeo Kawata^1,2

and Toyohiko Yatagai²

+ Authors' affiliations

Received: 8 December 2013 / Revised: 12 March 2014 / Accepted: 20 March 2014 / Published: 8 April 2014

(This article belongs to the Special Issue Optical Memory)

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Abstract: In this paper, shift multiplex recording of phase data pages on a volume polarization-sensitive medium by retardagraphy is demonstrated. The origin of shift selectivity in volume retardagraphy is explained. In the experiment, four-valued phase data pages are used. Then, a coding method is proposed to correct a reconstructed phase pattern. The recorded phase data pages are reconstructed using the feature of the coding method. By comparing the reconstructed phase data pages with recording phase data pages, symbol error rates of less than 11% are achieved. From the experimental result, it is verified that volume retardagraphy is applicable to optical memory.

Keywords: retardagraphy; polarization holography; volume holographic memory; optical data storage; phase data page; polarization-sensitive material

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MDPI and ACS Style

Barada, D.; Sekiguchi, H.; Fukuda, T.; Kawata, S.; Yatagai, T. Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy. Appl. Sci. 2014, 4, 158-170.

AMA Style

Barada D, Sekiguchi H, Fukuda T, Kawata S, Yatagai T. Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy. Applied Sciences. 2014; 4(2):158-170.

Chicago/Turabian Style

Barada, Daisuke; Sekiguchi, Hiroki; Fukuda, Takashi; Kawata, Shigeo; Yatagai, Toyohiko. 2014. "Shift Multiplex Recording of Four-Valued Phase Data Pages by Volume Retardagraphy." Appl. Sci. 4, no. 2: 158-170.

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