Abstract

We study cross-talk noise in holographic memory and estimate storage limits. We examine the effects of reduced angular density and the use of an apodized reconstruction beam on capacity, cross-talk noise, and diffraction efficiency. Experimental Bragg-selectivity curves with and without an apodized reconstruction beam verify the expected reduction in cross talk.

© 1996 Optical Society of America

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References

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1995

1992

1989

1977

W. Burke, P. Sheng, J. Appl. Phys. 48, 681 (1977).
[CrossRef]

1976

Bashaw, M.

Beer, R.

Burke, W.

W. Burke, P. Sheng, J. Appl. Phys. 48, 681 (1977).
[CrossRef]

Dai, F.

Goodman, J.

J. Goodman, Statistical Optics (Wiley, New York, 1985), Chap. 2, pp. 50–54.

Gu, C.

Heanue, J.

Hesselink, L.

Hong, J.

Leyva, V.

McMichael, I.

Mok, F.

Norton, R.

Oppenheimer, A.

A. Oppenheimer, R. Shafer, Digital Signal Processing (Prentice-Hall, Englewood Cliffs, N.J., 1975), Chap. 5, pp. 239–250.

Rakulic, G.

Saxena, R.

Shafer, R.

A. Oppenheimer, R. Shafer, Digital Signal Processing (Prentice-Hall, Englewood Cliffs, N.J., 1975), Chap. 5, pp. 239–250.

Sheng, P.

W. Burke, P. Sheng, J. Appl. Phys. 48, 681 (1977).
[CrossRef]

Southwell, W.

Yariv, A.

Appl. Opt.

J. Appl. Phys.

W. Burke, P. Sheng, J. Appl. Phys. 48, 681 (1977).
[CrossRef]

J. Opt. Soc. Am.

J. Opt. Soc. Am. A

Opt. Lett.

Other

J. Goodman, Statistical Optics (Wiley, New York, 1985), Chap. 2, pp. 50–54.

A. Oppenheimer, R. Shafer, Digital Signal Processing (Prentice-Hall, Englewood Cliffs, N.J., 1975), Chap. 5, pp. 239–250.

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Figures (3)

Fig. 1
Fig. 1

Worst-case simulated cross-talk NSR versus Mmax. The total number of stored data pages is 2 × Mmax + 1.

Fig. 2
Fig. 2

Experimental BSC’s of normalized diffraction efficiency ηD versus angular dephasing ϑ obtained in Cu-doped KNSBN. The solid curve is the unapodized, rectangle window and the dashed curve is the apodized, triangle window.

Fig. 3
Fig. 3

Worst-case simulated cross-talk NSR versus relative diffraction efficiency ηR for 5001 stored data pages and various windows.

Equations (2)

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NSR = σ 1 2 + σ 0 2 μ 1 μ 0 ,
E n ( x , y ) = m = M max M max f m ( x , y ) L z / 2 L z / 2 w ( z ) × exp [ α ( z + L z / 2 ) ] exp ( i ϕ m ) exp ( 2 π i z k m n ) d z ,

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