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, 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.

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, 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.

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

Metrics