Abstract

An innovative architecture for compact, integrated volume holographic memories is described. It is based on phase-conjugate readout and on a modulator–detector–memory array implemented in a silicon integrated circuit. The lensless memory module sustains dynamic read–write holograms by periodic refreshing. The integrated circuit is described and experimentally characterized. Holograms were stored in a prototype storage module that uses a 30°-cut BaTiO3 crystal and the 90° recording geometry. As many as three angularly multiplexed holograms were periodically refreshed and subjected to >40% decay from exposure to the reference beam over 50 to 100 cycles. Experimental data are presented.

© 1997 Optical Society of America

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References

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  1. J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.
  2. J.-J. P. Drolet, G. Barbastathis, and D. Psaltis, in Optoelectronic Interconnects and Packaging, Vol. CR62 of SPIE Critical Reviews (Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., 1996), pp. 106–131.
  3. F. Zhao and K. Sayano, Opt. Lett. 21, 1295 (1996).
    [CrossRef] [PubMed]
  4. Y. Qiao and D. Psaltis, Opt. Lett. 17, 1376 (1992).
    [CrossRef]
  5. J.-J. P. Drolet, J. S. Patel, K. G. Haritos, W. Xu, A. Scherer, and D. Psaltis, Opt. Lett. 20, 2222 (1995).
    [CrossRef]

1996 (1)

1995 (1)

1992 (1)

Barbastathis, G.

J.-J. P. Drolet, G. Barbastathis, and D. Psaltis, in Optoelectronic Interconnects and Packaging, Vol. CR62 of SPIE Critical Reviews (Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., 1996), pp. 106–131.

J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.

Drolet, J.-J. P.

J.-J. P. Drolet, J. S. Patel, K. G. Haritos, W. Xu, A. Scherer, and D. Psaltis, Opt. Lett. 20, 2222 (1995).
[CrossRef]

J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.

J.-J. P. Drolet, G. Barbastathis, and D. Psaltis, in Optoelectronic Interconnects and Packaging, Vol. CR62 of SPIE Critical Reviews (Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., 1996), pp. 106–131.

Haritos, K. G.

Patel, J. S.

J.-J. P. Drolet, J. S. Patel, K. G. Haritos, W. Xu, A. Scherer, and D. Psaltis, Opt. Lett. 20, 2222 (1995).
[CrossRef]

J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.

Psaltis, D.

J.-J. P. Drolet, J. S. Patel, K. G. Haritos, W. Xu, A. Scherer, and D. Psaltis, Opt. Lett. 20, 2222 (1995).
[CrossRef]

Y. Qiao and D. Psaltis, Opt. Lett. 17, 1376 (1992).
[CrossRef]

J.-J. P. Drolet, G. Barbastathis, and D. Psaltis, in Optoelectronic Interconnects and Packaging, Vol. CR62 of SPIE Critical Reviews (Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., 1996), pp. 106–131.

J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.

Qiao, Y.

Sayano, K.

Scherer, A.

Xu, W.

Zhao, F.

Opt. Lett. (3)

Other (2)

J.-J. P. Drolet, G. Barbastathis, J. S. Patel, and D. Psaltis, presented at the Optical Society of America Annual Meeting, Portland, Ore., September 10–15, 1995.

J.-J. P. Drolet, G. Barbastathis, and D. Psaltis, in Optoelectronic Interconnects and Packaging, Vol. CR62 of SPIE Critical Reviews (Society of Photo-Optical Instrumentation Engineers, Bellingham, Wash., 1996), pp. 106–131.

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Figures (5)

Fig. 1
Fig. 1

Compact angularly multiplexed holographic storage module.

Fig. 2
Fig. 2

Experimental setup: POL, polarizer. See text for other definitions.

Fig. 3
Fig. 3

Evolution of the diffraction efficiency of a hologram during 50 refresh–decay cycles.

Fig. 4
Fig. 4

(a) DHR display, (b) forward reconstruction, and conjugate reconstructions after (c) 1 and (d) 50 refresh–decay cycles.

Fig. 5
Fig. 5

Evolution of the diffraction efficiency of three multiplexed holograms during 100 refresh–decay cycles.

Tables (1)

Tables Icon

Table 1 Contrast Ratio, Signal-to-Noise Ratio, and Probability of Error for the Images in Fig. 4

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