Correlator-aided alignment of phase key in encrypted holographic storage systems

Wei Hung Su, Wei Chia Su, Hung Jei Kao, Chien Yue Chen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

An encrypted holographic scheme with a compact alignment system for a phase key is proposed. Alignment for a phase key is performed by a holographic correlator. A filter in the correlator system contains the phase information used for encryption. Thus, it can be used to check the authorization of the phase key. Owing to the shift-invariant property of the holographic correlator, the location of the correlation peak is highly related to the alignment of the phase key. Therefore, the phase key can be repositioned on the desired location by searching for the specific position of the correlation peak. With the help of the correlator, alignment of the phase key can be done in 1 min. Experimental results using a correlator system in support of our proposed idea are demonstrated as well.

Original languageEnglish
Pages (from-to)27-32
Number of pages6
JournalOptics Communications
Volume280
Issue number1
DOIs
Publication statusPublished - 2007 Dec 1

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Correlators
correlators
alignment
Cryptography
filters
shift

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Su, Wei Hung ; Su, Wei Chia ; Kao, Hung Jei ; Chen, Chien Yue. / Correlator-aided alignment of phase key in encrypted holographic storage systems. In: Optics Communications. 2007 ; Vol. 280, No. 1. pp. 27-32.
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Correlator-aided alignment of phase key in encrypted holographic storage systems. / Su, Wei Hung; Su, Wei Chia; Kao, Hung Jei; Chen, Chien Yue.

In: Optics Communications, Vol. 280, No. 1, 01.12.2007, p. 27-32.

Research output: Contribution to journalArticle

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