Abstract

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

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References

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2004 (3)

2003 (2)

T. Nomura, S. Mikan, Y. Morimoto, and B. Javidi, "Secure optical data storage with random phase key codes by use of a configuration of a joint transform correlator," Appl. Opt. 42, 1508-1514 (2003).
[CrossRef] [PubMed]

J. Zhang, S. Yoshikado, and T. Aruga, "Shift multiplexing for holographic storage system using fiber bundle referencing," Appl. Phys. Lett. 82, 25-27 (2003).
[CrossRef]

2001 (2)

2000 (3)

1999 (2)

1998 (1)

1997 (1)

1996 (1)

S. Lai, "Security holograms using an encoded reference wave," Opt. Eng. 35, 2470-2472 (1996).
[CrossRef]

1995 (2)

1994 (1)

J. F. Heanue, M. C. Bashaw, and L. Hesselink, "Volume holographic storage and retrieval of digital data," Science 265, 749-752 (1994).
[CrossRef] [PubMed]

Aruga, T.

J. Zhang, S. Yoshikado, and T. Aruga, "Shift multiplexing for holographic storage system using fiber bundle referencing," Appl. Phys. Lett. 82, 25-27 (2003).
[CrossRef]

Bashaw, M. C.

J. F. Heanue, M. C. Bashaw, and L. Hessenlink, "Encrypted holographic data storage based on orthogonal-phase-code multiplexing," Appl. Opt. 34, 6012-6015 (1995).
[CrossRef] [PubMed]

J. F. Heanue, M. C. Bashaw, and L. Hesselink, "Volume holographic storage and retrieval of digital data," Science 265, 749-752 (1994).
[CrossRef] [PubMed]

Chiou, A. E. T.

Glückstad, J.

Han, S.

B. Lee, S. Han, Y. Jeong, and J. Paek, "Remote multiplexing of holograms with random patterns from multimode fiber bundles," Opt. Lett. 29, 116-118 (2004).
[CrossRef] [PubMed]

S. Han, Y. Jeong, J. Paek, and B. Lee, "Characteristics of remote hologram multiplexing with random pattern references from multimode fiber bundle," Opt. Eng. 43, 2040-2047 (2004).
[CrossRef]

Heanue, J. F.

J. F. Heanue, M. C. Bashaw, and L. Hessenlink, "Encrypted holographic data storage based on orthogonal-phase-code multiplexing," Appl. Opt. 34, 6012-6015 (1995).
[CrossRef] [PubMed]

J. F. Heanue, M. C. Bashaw, and L. Hesselink, "Volume holographic storage and retrieval of digital data," Science 265, 749-752 (1994).
[CrossRef] [PubMed]

Hesselink, L.

J. F. Heanue, M. C. Bashaw, and L. Hesselink, "Volume holographic storage and retrieval of digital data," Science 265, 749-752 (1994).
[CrossRef] [PubMed]

Hessenlink, L.

Ide, M.

Javidi, B.

Jeong, Y.

S. Han, Y. Jeong, J. Paek, and B. Lee, "Characteristics of remote hologram multiplexing with random pattern references from multimode fiber bundle," Opt. Eng. 43, 2040-2047 (2004).
[CrossRef]

B. Lee, S. Han, Y. Jeong, and J. Paek, "Remote multiplexing of holograms with random patterns from multimode fiber bundles," Opt. Lett. 29, 116-118 (2004).
[CrossRef] [PubMed]

Joseph, J.

Kang, Y. H.

Kim, K. H.

Kuroda, K.

Lai, S.

S. Lai, "Security holograms using an encoded reference wave," Opt. Eng. 35, 2470-2472 (1996).
[CrossRef]

Lee, B.

Matoba, O.

Mikan, S.

Mogensen, P. C.

Morimoto, Y.

Nomura, T.

Okada-Shudo, Y.

Paek, J.

S. Han, Y. Jeong, J. Paek, and B. Lee, "Characteristics of remote hologram multiplexing with random pattern references from multimode fiber bundle," Opt. Eng. 43, 2040-2047 (2004).
[CrossRef]

B. Lee, S. Han, Y. Jeong, and J. Paek, "Remote multiplexing of holograms with random patterns from multimode fiber bundles," Opt. Lett. 29, 116-118 (2004).
[CrossRef] [PubMed]

Réfrégier, P.

Shimura, T.

Singh, K.

Su, W. C.

Sun, C. C.

Tan, X.

Unnikrishnan, G.

Wang, B.

B. Wang, C. C. Sun, W. C. Su, and A. E. T. Chiou, "Shift-tolerance property of an optical double-random phase-encoding encryption system," Appl. Opt. 39, 4788-4793 (2000).
[CrossRef]

C. C. Sun, W. C. Su, B. Wang, and Y. O. Yang, "Diffraction selectivity of holograms with random phase encoding," Opt. Commun. 175, 67-74 (2000).
[CrossRef]

Yang, Y. O.

C. C. Sun, W. C. Su, B. Wang, and Y. O. Yang, "Diffraction selectivity of holograms with random phase encoding," Opt. Commun. 175, 67-74 (2000).
[CrossRef]

Yoshikado, S.

J. Zhang, S. Yoshikado, and T. Aruga, "Shift multiplexing for holographic storage system using fiber bundle referencing," Appl. Phys. Lett. 82, 25-27 (2003).
[CrossRef]

Zhang, J.

J. Zhang, S. Yoshikado, and T. Aruga, "Shift multiplexing for holographic storage system using fiber bundle referencing," Appl. Phys. Lett. 82, 25-27 (2003).
[CrossRef]

Appl. Opt. (8)

Appl. Phys. Lett. (1)

J. Zhang, S. Yoshikado, and T. Aruga, "Shift multiplexing for holographic storage system using fiber bundle referencing," Appl. Phys. Lett. 82, 25-27 (2003).
[CrossRef]

Opt. Commun. (1)

C. C. Sun, W. C. Su, B. Wang, and Y. O. Yang, "Diffraction selectivity of holograms with random phase encoding," Opt. Commun. 175, 67-74 (2000).
[CrossRef]

Opt. Eng. (2)

S. Lai, "Security holograms using an encoded reference wave," Opt. Eng. 35, 2470-2472 (1996).
[CrossRef]

S. Han, Y. Jeong, J. Paek, and B. Lee, "Characteristics of remote hologram multiplexing with random pattern references from multimode fiber bundle," Opt. Eng. 43, 2040-2047 (2004).
[CrossRef]

Opt. Lett. (5)

Science (1)

J. F. Heanue, M. C. Bashaw, and L. Hesselink, "Volume holographic storage and retrieval of digital data," Science 265, 749-752 (1994).
[CrossRef] [PubMed]

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Figures (10)

Fig. 1
Fig. 1

Schematic of the experimental setup. (a) Key 1 and Key 2, (b) Key 3 and Key 4, (c) Key 5, Key 6, and Key 7, (d) L1, L2, lenses; D, detector; M, mirror.

Fig. 2
Fig. 2

Diffraction efficiency versus the deviation angle of α with a uniform object beam when the hologram was recorded at α = β = ϕ = γ = 0 ° .

Fig. 3
Fig. 3

Retrieved images when the deviation angle of α was (a) 0°, (b) 0.0075°, (c) 0.0125°, (d) 0.015°, (e) 0.0175°, and (f) 0.02°. The hologram was recorded at α = β = ϕ = γ = 0 ° .

Fig. 4
Fig. 4

Sensitivity of Key 1 versus the azimuthal angle α for γ = 0 ° , 2°, 4°, and 6° when β = ϕ = 0 ° , respectively.

Fig. 5
Fig. 5

Sensitivity of Key 2 versus the azimuthal angle β for γ = 0 ° , 2°, 4°, and 6° when α = ϕ = 0 ° , respectively.

Fig. 6
Fig. 6

Sensitivity of Key 3 versus the azimuthal angle γ for β = 0 ° , 2°, 4°, and 6° when α = ϕ = 0 ° , respectively.

Fig. 7
Fig. 7

Sensitivity of Key 4 versus the azimuthal angle ϕ for α = 0 ° , 2°, 4°, and 6° when β = γ = 0 ° , respectively.

Fig. 8
Fig. 8

Sensitivity of Key 5 versus the angles α(■), β(○), γ(▲), and ϕ(∇), respectively.

Fig. 9
Fig. 9

Sensitivity of Key 6 versus the angles α(■), β(○), γ(▲), and ϕ(∇), respectively.

Fig. 10
Fig. 10

Shift selectivity versus the deviation angle of α when β = ϕ = γ = 0 ° .

Equations (2)

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L 1 = 12 12 1 f ( α ) d α = 1.0 × 10 3 .
L = L 1 × L 2 × L 3 × L 4 × L 5 × L 6 = 1.8 × 10 19 .

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