Abstract

A new subharmonic regime in photorefractive bismuth silicon oxide has been discovered by the use of the running-grating technique. In this regime the subharmonic grating splits into two gratings that are angularly tilted with respect to the fundamental grating. These observations necessitate an extension of previously proposed theories.

© 1994 Optical Society of America

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  1. S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
    [CrossRef]
  2. D. C. Jones, L. Solymar, Opt. Lett. 14, 743 (1989).
    [CrossRef] [PubMed]
  3. D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
    [CrossRef]
  4. D. J. Webb, L. Solymar, Opt. Commun. 74, 386 (1990).
    [CrossRef]
  5. J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
    [CrossRef]
  6. C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
    [CrossRef]
  7. C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
    [CrossRef]
  8. C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
    [CrossRef]
  9. A. Novikov, S. Odulov, R. Jungen, T. Tschudi, J. Opt. Soc. Am. B 9, 1654 (1992).
    [CrossRef]
  10. A. Grunnet-Jepsen, S. J. Elston, I. Richter, J. Takacs, L. Solymar, Opt. Lett. 18, 2147 (1993).
    [CrossRef] [PubMed]
  11. J. Takacs, L. Solymar, Opt. Lett. 17, 247 (1992).
    [CrossRef] [PubMed]
  12. L. B. Au, L. Solymar, K. H. Ringhofer, in Technical Digest of Topical Meeting on Photorefractive Materials, Effects and Devices II (Société Francaise d'Optique, Aussois, France, 1990), p. 87.
  13. A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.
  14. O. P. Nestiorkin, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 444.
  15. K. H. Ringhofer, L. Solymar, Appl. Phys. B 48, 395 (1989).
    [CrossRef]
  16. B. I. Sturman, M. Mann, K. H. Ringhofer, Appl. Phys. A 55, 235 (1992).
    [CrossRef]
  17. B. I. Sturman, A Blendowski, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 9, 672 (1992).
    [CrossRef]
  18. A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).
  19. B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 17, 1620 (1992).
    [CrossRef] [PubMed]
  20. B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
    [CrossRef]
  21. O. P. Nestiorkin, Opt. Commun. 81, 315 (1991).
    [CrossRef]
  22. Ye. P. Shershakov, O. P. Nestiorkin, Opt. Commun. 96, 271 (1993).
    [CrossRef]
  23. O. P. Nestiorkin, Ye. P. Shershakov, J. Opt. Soc. Am. B 10, 1907 (1993).
    [CrossRef]
  24. B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 10, 1919 (1993).
    [CrossRef]
  25. B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 18, 702 (1993).
    [CrossRef] [PubMed]
  26. M. Shamonin, Appl. Phys. A 57, 153 (1993).
    [CrossRef]
  27. V. S. Liberman, B. Ya. Zel'dovich, Opt. Quantum Electron. 25, 231 (1993).
    [CrossRef]
  28. O. P. Nestiorkin, Ye. P. Shershakov, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 386.
  29. V. S. Liberman, B. Ya. Zel'dovich, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 249.
  30. B. I. Sturman, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 245.
  31. E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
    [CrossRef]

1994 (1)

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

1993 (9)

A. Grunnet-Jepsen, S. J. Elston, I. Richter, J. Takacs, L. Solymar, Opt. Lett. 18, 2147 (1993).
[CrossRef] [PubMed]

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
[CrossRef]

Ye. P. Shershakov, O. P. Nestiorkin, Opt. Commun. 96, 271 (1993).
[CrossRef]

O. P. Nestiorkin, Ye. P. Shershakov, J. Opt. Soc. Am. B 10, 1907 (1993).
[CrossRef]

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 10, 1919 (1993).
[CrossRef]

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 18, 702 (1993).
[CrossRef] [PubMed]

M. Shamonin, Appl. Phys. A 57, 153 (1993).
[CrossRef]

V. S. Liberman, B. Ya. Zel'dovich, Opt. Quantum Electron. 25, 231 (1993).
[CrossRef]

1992 (9)

B. I. Sturman, M. Mann, K. H. Ringhofer, Appl. Phys. A 55, 235 (1992).
[CrossRef]

B. I. Sturman, A Blendowski, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 9, 672 (1992).
[CrossRef]

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 17, 1620 (1992).
[CrossRef] [PubMed]

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
[CrossRef]

A. Novikov, S. Odulov, R. Jungen, T. Tschudi, J. Opt. Soc. Am. B 9, 1654 (1992).
[CrossRef]

J. Takacs, L. Solymar, Opt. Lett. 17, 247 (1992).
[CrossRef] [PubMed]

J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
[CrossRef]

1991 (1)

O. P. Nestiorkin, Opt. Commun. 81, 315 (1991).
[CrossRef]

1990 (2)

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

D. J. Webb, L. Solymar, Opt. Commun. 74, 386 (1990).
[CrossRef]

1989 (2)

D. C. Jones, L. Solymar, Opt. Lett. 14, 743 (1989).
[CrossRef] [PubMed]

K. H. Ringhofer, L. Solymar, Appl. Phys. B 48, 395 (1989).
[CrossRef]

1988 (1)

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Agulló-Lopez, F.

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

Au, L. B.

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

L. B. Au, L. Solymar, K. H. Ringhofer, in Technical Digest of Topical Meeting on Photorefractive Materials, Effects and Devices II (Société Francaise d'Optique, Aussois, France, 1990), p. 87.

Blendovski, A.

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

Blendowski, A

Blendowski, A.

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.

Carrascosa, M.

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

Ducollet, H.

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Elston, S. J.

Grunnet-Jepsen, A.

Herriau, J. P.

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Huignard, J. P.

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Imbert, B.

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Jones, D. C.

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

D. C. Jones, L. Solymar, Opt. Lett. 14, 743 (1989).
[CrossRef] [PubMed]

Jungen, R.

Kwak, C. H.

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
[CrossRef]

Liberman, V. S.

V. S. Liberman, B. Ya. Zel'dovich, Opt. Quantum Electron. 25, 231 (1993).
[CrossRef]

V. S. Liberman, B. Ya. Zel'dovich, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 249.

Mallick, S.

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

Mann, M.

Nestiorkin, O. P.

Ye. P. Shershakov, O. P. Nestiorkin, Opt. Commun. 96, 271 (1993).
[CrossRef]

O. P. Nestiorkin, Ye. P. Shershakov, J. Opt. Soc. Am. B 10, 1907 (1993).
[CrossRef]

O. P. Nestiorkin, Opt. Commun. 81, 315 (1991).
[CrossRef]

O. P. Nestiorkin, Ye. P. Shershakov, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 386.

O. P. Nestiorkin, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 444.

Novikov, A.

Odulov, S.

Otten, J.

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 10, 1919 (1993).
[CrossRef]

B. I. Sturman, A Blendowski, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 9, 672 (1992).
[CrossRef]

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.

Richter, I.

Ringhofer, K. H.

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 10, 1919 (1993).
[CrossRef]

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 18, 702 (1993).
[CrossRef] [PubMed]

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 17, 1620 (1992).
[CrossRef] [PubMed]

B. I. Sturman, A Blendowski, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 9, 672 (1992).
[CrossRef]

B. I. Sturman, M. Mann, K. H. Ringhofer, Appl. Phys. A 55, 235 (1992).
[CrossRef]

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

K. H. Ringhofer, L. Solymar, Appl. Phys. B 48, 395 (1989).
[CrossRef]

L. B. Au, L. Solymar, K. H. Ringhofer, in Technical Digest of Topical Meeting on Photorefractive Materials, Effects and Devices II (Société Francaise d'Optique, Aussois, France, 1990), p. 87.

A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.

B. I. Sturman, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 245.

Schaub, M.

J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
[CrossRef]

Serrano, E.

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

Shamonin, M.

M. Shamonin, Appl. Phys. A 57, 153 (1993).
[CrossRef]

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

Shershakov, Ye. P.

Ye. P. Shershakov, O. P. Nestiorkin, Opt. Commun. 96, 271 (1993).
[CrossRef]

O. P. Nestiorkin, Ye. P. Shershakov, J. Opt. Soc. Am. B 10, 1907 (1993).
[CrossRef]

O. P. Nestiorkin, Ye. P. Shershakov, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 386.

Solymar, L.

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
[CrossRef]

A. Grunnet-Jepsen, S. J. Elston, I. Richter, J. Takacs, L. Solymar, Opt. Lett. 18, 2147 (1993).
[CrossRef] [PubMed]

J. Takacs, L. Solymar, Opt. Lett. 17, 247 (1992).
[CrossRef] [PubMed]

C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
[CrossRef]

J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
[CrossRef]

D. J. Webb, L. Solymar, Opt. Commun. 74, 386 (1990).
[CrossRef]

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

K. H. Ringhofer, L. Solymar, Appl. Phys. B 48, 395 (1989).
[CrossRef]

D. C. Jones, L. Solymar, Opt. Lett. 14, 743 (1989).
[CrossRef] [PubMed]

L. B. Au, L. Solymar, K. H. Ringhofer, in Technical Digest of Topical Meeting on Photorefractive Materials, Effects and Devices II (Société Francaise d'Optique, Aussois, France, 1990), p. 87.

Sturman, B.

A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.

Sturman, B. I.

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 18, 702 (1993).
[CrossRef] [PubMed]

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 10, 1919 (1993).
[CrossRef]

B. I. Sturman, A Blendowski, J. Otten, K. H. Ringhofer, J. Opt. Soc. Am. B 9, 672 (1992).
[CrossRef]

B. I. Sturman, M. Mann, K. H. Ringhofer, Opt. Lett. 17, 1620 (1992).
[CrossRef] [PubMed]

B. I. Sturman, M. Mann, K. H. Ringhofer, Appl. Phys. A 55, 235 (1992).
[CrossRef]

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

B. I. Sturman, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 245.

Takacs, J.

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
[CrossRef]

A. Grunnet-Jepsen, S. J. Elston, I. Richter, J. Takacs, L. Solymar, Opt. Lett. 18, 2147 (1993).
[CrossRef] [PubMed]

C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
[CrossRef]

J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
[CrossRef]

J. Takacs, L. Solymar, Opt. Lett. 17, 247 (1992).
[CrossRef] [PubMed]

Tschudi, T.

Webb, D. J.

D. J. Webb, L. Solymar, Opt. Commun. 74, 386 (1990).
[CrossRef]

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

Zel'dovich, B. Ya.

V. S. Liberman, B. Ya. Zel'dovich, Opt. Quantum Electron. 25, 231 (1993).
[CrossRef]

V. S. Liberman, B. Ya. Zel'dovich, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 249.

Appl. Phys. A (3)

B. I. Sturman, M. Mann, K. H. Ringhofer, Appl. Phys. A 55, 235 (1992).
[CrossRef]

B. I. Sturman, M. Mann, J. Otten, K. H. Ringhofer, A. Blendowski, Appl. Phys. A 55, 55 (1992).
[CrossRef]

M. Shamonin, Appl. Phys. A 57, 153 (1993).
[CrossRef]

Appl. Phys. B (1)

K. H. Ringhofer, L. Solymar, Appl. Phys. B 48, 395 (1989).
[CrossRef]

Appl. Phys. Lett. (3)

C. H. Kwak, M. Shamonin, J. Takacs, L. Solymar, Appl. Phys. Lett. 62, 328 (1993).
[CrossRef]

D. J. Webb, L. B. Au, D. C. Jones, L. Solymar, Appl. Phys. Lett. 57, 1602 (1990).
[CrossRef]

E. Serrano, M. Carrascosa, F. Agulló-Lopez, L. Solymar, Appl. Phys. Lett. 64, 658 (1994)
[CrossRef]

Electron. Lett. (1)

C. H. Kwak, J. Takacs, L. Solymar, Electron. Lett. 28, 530 (1992).
[CrossRef]

J. Appl. Phys. (1)

S. Mallick, B. Imbert, H. Ducollet, J. P. Herriau, J. P. Huignard, J. Appl. Phys. 63, 5660 (1988).
[CrossRef]

J. Opt. Soc. Am. B (4)

Opt. Commun. (5)

C. H. Kwak, J. Takacs, L. Solymar, Opt. Commun. 96, 278 (1993).
[CrossRef]

O. P. Nestiorkin, Opt. Commun. 81, 315 (1991).
[CrossRef]

Ye. P. Shershakov, O. P. Nestiorkin, Opt. Commun. 96, 271 (1993).
[CrossRef]

D. J. Webb, L. Solymar, Opt. Commun. 74, 386 (1990).
[CrossRef]

J. Takacs, M. Schaub, L. Solymar, Opt. Commun. 91, 252 (1992).
[CrossRef]

Opt. Lett. (5)

Opt. Quantum Electron. (1)

V. S. Liberman, B. Ya. Zel'dovich, Opt. Quantum Electron. 25, 231 (1993).
[CrossRef]

Sov. Phys. JETP (1)

A. Blendovski, J. Otten, K. H. Ringhofer, B. I. Sturman, Sov. Phys. JETP 75, 215 (1992).

Other (6)

L. B. Au, L. Solymar, K. H. Ringhofer, in Technical Digest of Topical Meeting on Photorefractive Materials, Effects and Devices II (Société Francaise d'Optique, Aussois, France, 1990), p. 87.

A. Blendowski, B. Sturman, J. Otten, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 436.

O. P. Nestiorkin, in Photorefractive Materials, Effects, and Devices, Vol. 14 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 444.

O. P. Nestiorkin, Ye. P. Shershakov, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 386.

V. S. Liberman, B. Ya. Zel'dovich, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 249.

B. I. Sturman, K. H. Ringhofer, in Photorefractive Materials, Effects, and Devices (Theophania, Kiev, Ukraine, 1993), p. 245.

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Figures (7)

Fig. 1.
Fig. 1.

Experimental setup for observing spatial subharmonic generation. The solid lines refer to Ar+ beams, whereas the dashed lines refer to He–Ne beams. The variable absorber consists of a half-wave plate and a linear polarizer. Both pump beams are linearly polarized in the y direction at the input face of the crystal. Mirror M2 is adjustable to tune the angle of incidence of the He–Ne laser beam. The planes of incidence of both Ar+ and He–Ne beams are confined in the x–z plane.

Fig. 2.
Fig. 2.

Polaroid photo of the diffraction pattern in the green observation plane at Ω = 200 s−1. The two bright spots, 1 and 2, are directly transmitted pump beams and first-order diffractions of the fundamental grating. The central spot, 3, is the first-order diffraction of the subharmonic grating. The spots surrounding the bright spots, 4 and 5, are the negative first-order diffractions of the subharmonic grating. The outermost spots, 6 and 7, are the negative first-order diffractions of the fundamental grating.

Fig. 3.
Fig. 3.

Picture taken from the frame grabber of the diffraction pattern in the red observation plane at Ω = 500 s−1. The angle of incidence is equal to zero. The central spot [pixel coordinate p.c. = (185, 60) is the directly transmitted zeroth order. The outermost spots [p.c. = (25, 72) and (330, 60)] are the first-order diffractions of the fundamental grating. The spots between [p.c. = (100, 60) and p.c. = (250, 60)] are the first-order diffractions of the subharmonic grating.

Fig. 4.
Fig. 4.

Same as Fig. 3, except that Ω = 380 s−1.

Fig. 5.
Fig. 5.

(a) Same as Fig. 3, except that Ω = 140 s−1, (b) Three-dimensional plot of the diffraction pattern in (a). The data clipping of the zeroth-order and one of the half-order spots is due to saturation of the video camera.

Fig. 6.
Fig. 6.

Same as Fig. 5(a), except that here the angle of incidence is adjusted to Bragg match the conventional subharmonic grating.

Fig. 7.
Fig. 7.

Ewald hemisphere with the grating vectors of the fundamental and the subharmonic gratings. The lower sphere shows the system of reference.

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