Abstract

We observed dynamic instabilities in the phase-conjugate outputs from the mutually pumped bird-wing phase conjugator in BaTiO3. We present experimental results that illustrate typical output characteristics and compare these with the results of a computer model that self-consistently determines all the relevant beam intensities within the crystal. The role of mutual erasure and the assisted routes to total-internal-reflection self-pumping are included within the model and are discussed in the context of the experimental results.

© 1990 Optical Society of America

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References

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  1. R. W. Eason and A. M. C. Smout, Opt. Lett. 12, 15 (1987).
    [CrossRef]
  2. M. D. Ewbank, Opt. Lett. 13, 47 (1988).
    [CrossRef] [PubMed]
  3. S. Sternklar, S. Weiss, M. Seger, and B. Fischer. Opt. Lett. 11, 528 (1986).
    [CrossRef] [PubMed]
  4. A. A. Zozulya, A. V. Mamaev, and P. N. Lebedev, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D. C., 1990), p. 307.
  5. Qi-Chi He and J. G. Duthie, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1990), p. 342.
  6. A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
    [CrossRef]
  7. P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
    [CrossRef]
  8. Qi-Chi He, IEEE J. Quantum Electron. 24, 2507 (1988).
    [CrossRef]
  9. A. M. C. Smout and R. W. Eason. Opt. Lett. 12, 498 (1987).
    [CrossRef] [PubMed]

1988 (2)

Qi-Chi He, IEEE J. Quantum Electron. 24, 2507 (1988).
[CrossRef]

M. D. Ewbank, Opt. Lett. 13, 47 (1988).
[CrossRef] [PubMed]

1987 (2)

A. M. C. Smout and R. W. Eason. Opt. Lett. 12, 498 (1987).
[CrossRef] [PubMed]

R. W. Eason and A. M. C. Smout, Opt. Lett. 12, 15 (1987).
[CrossRef]

1986 (2)

S. Sternklar, S. Weiss, M. Seger, and B. Fischer. Opt. Lett. 11, 528 (1986).
[CrossRef] [PubMed]

A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
[CrossRef]

1985 (1)

P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
[CrossRef]

Duthie, J. G.

Qi-Chi He and J. G. Duthie, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1990), p. 342.

Eason, R. W.

R. W. Eason and A. M. C. Smout, Opt. Lett. 12, 15 (1987).
[CrossRef]

A. M. C. Smout and R. W. Eason. Opt. Lett. 12, 498 (1987).
[CrossRef] [PubMed]

A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
[CrossRef]

Ewbank, M. D.

Fischer, B.

Gower, M. C.

A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
[CrossRef]

Günter, P.

P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
[CrossRef]

He, Qi-Chi

Qi-Chi He, IEEE J. Quantum Electron. 24, 2507 (1988).
[CrossRef]

Qi-Chi He and J. G. Duthie, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1990), p. 342.

Lebedev, P. N.

A. A. Zozulya, A. V. Mamaev, and P. N. Lebedev, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D. C., 1990), p. 307.

Mamaev, A. V.

A. A. Zozulya, A. V. Mamaev, and P. N. Lebedev, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D. C., 1990), p. 307.

Seger, M.

Smout, A. M. C.

R. W. Eason and A. M. C. Smout, Opt. Lett. 12, 15 (1987).
[CrossRef]

A. M. C. Smout and R. W. Eason. Opt. Lett. 12, 498 (1987).
[CrossRef] [PubMed]

A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
[CrossRef]

Sternklar, S.

Voit, E.

P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
[CrossRef]

Weiss, S.

Zha, M. Z.

P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
[CrossRef]

Zozulya, A. A.

A. A. Zozulya, A. V. Mamaev, and P. N. Lebedev, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D. C., 1990), p. 307.

IEEE J. Quantum Electron. (1)

Qi-Chi He, IEEE J. Quantum Electron. 24, 2507 (1988).
[CrossRef]

Opt. Commun. (2)

A. M. C. Smout, R. W. Eason, and M. C. Gower. Opt. Commun. 25, 77 (1986).
[CrossRef]

P. Günter, E. Voit, and M. Z. Zha, Opt. Commun. 55, 210 (1985).
[CrossRef]

Opt. Lett. (4)

Other (2)

A. A. Zozulya, A. V. Mamaev, and P. N. Lebedev, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D. C., 1990), p. 307.

Qi-Chi He and J. G. Duthie, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1990), p. 342.

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Figures (9)

Fig. 1
Fig. 1

Typical oscillation cycle.

Fig. 2
Fig. 2

Schematic of beam geometry with principal interaction regions and beam nomenclature.

Fig. 3
Fig. 3

Typical oscillation traces obtained by means of the computer model of the BWPC. Solid curve, I1*; dotted curve, I2*.

Fig. 4
Fig. 4

Experimental arrangement used to observe dynamic instabilites in the mutually pumped BWPC. M1–M5, phase mirrors; SF, spatial filter; ND, variable neutral-density filter; D1, D2, photodiodes.

Fig. 5
Fig. 5

Output obtained with parameters a = 3.8 mm, b = 3.5 mm, I1 = 4.5 mW, I2 = 1.5 mW.

Fig. 6
Fig. 6

Periodic oscillations obtained with a = 3.6 mm, b = 3.5 mm, I1 = 4.5 mW, and I2 = 1.5 mW.

Fig. 7
Fig. 7

Outputs obtained with a = 3.2 mm and other parameters as in Fig. 6.

Fig. 8
Fig. 8

Output traces behind with beam intensity ratio r = I1/I2 = 1.5 and other parameters as in Fig. 6. Note that large-scale oscillations are now absent.

Fig. 9
Fig. 9

Graph of parameter a versus period of oscillation. Note that regular oscillations occur only for limited values of a.

Equations (6)

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m A 2 = 4 I 1 I 3 / I A 2
m B 2 = 4 I 2 I 4 / I B 2 ,
η A = A m A 2 ,
η B = B m B 2 ,
A = A 0 [ 1 exp ( t / τ A ) ] ,
B = B 0 [ 1 exp ( t / τ B ) ] ,

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