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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 34 — Dec. 1, 2006
  • pp: 8748–8752

Encrypted holographic memory using an encoded reference wave

Yichao Zhu, Jiasen Zhang, and Qihuang Gong  »View Author Affiliations

Applied Optics, Vol. 45, Issue 34, pp. 8748-8752 (2006)

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A secure holographic memory system is proposed by use of an encoded reference beam. The reference beam is encrypted by a fiber-optic faceplate, which serves as a phase mask. There are seven keys in the system including the position and direction of the fiber bundle and the direction of the incident beam. The experiment shows that the total key length is larger than 1.8 × 1019. The method can be used directly in a shift-multiplexing system with high selectivity.

© 2006 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(190.5330) Nonlinear optics : Photorefractive optics
(210.0210) Optical data storage : Optical data storage
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Optical Data Storage

Original Manuscript: April 10, 2006
Revised Manuscript: July 28, 2006
Manuscript Accepted: July 28, 2006

Yichao Zhu, Jiasen Zhang, and Qihuang Gong, "Encrypted holographic memory using an encoded reference wave," Appl. Opt. 45, 8748-8752 (2006)

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