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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12053–12065

Increasing the storage density of a page-based holographic data storage system by image upscaling using the PSF of the Nyquist aperture

Sang-Hyuck Lee, Sung-Yong Lim, Nakyeong Kim, No-Cheol Park, Hyunseok Yang, Kyoung-Su Park, and Young-Pil Park  »View Author Affiliations


Optics Express, Vol. 19, Issue 13, pp. 12053-12065 (2011)
http://dx.doi.org/10.1364/OE.19.012053


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Abstract

We introduce an image upscaling method that reduces bit errors caused by Nyquist apertures. Nyquist apertures used for higher storage densities generate optical aberrations and degrade the quality of the image that is recorded on the medium. Here, to correct the bit errors caused by the Nyquist aperture, an image upscaling method is used to restore the degraded image in the enhanced spatial frequency domain using its point spread function (PSF) as a restoration filter. The proposed method reduces the bit error rate (BER) significantly and hence allows higher storage densities.

© 2011 OSA

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Optical Data Storage

History
Original Manuscript: March 16, 2011
Revised Manuscript: May 12, 2011
Manuscript Accepted: June 2, 2011
Published: June 7, 2011

Citation
Sang-Hyuck Lee, Sung-Yong Lim, Nakyeong Kim, No-Cheol Park, Hyunseok Yang, Kyoung-Su Park, and Young-Pil Park, "Increasing the storage density of a page-based holographic data storage system by image upscaling using the PSF of the Nyquist aperture," Opt. Express 19, 12053-12065 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-13-12053


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References

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