Abstract

It is shown that even slight optical feedback of a self-pumped phase-conjugate signal into dye or argon-ion lasers causes laser wavelength and conjugator reflectivity changes. The wavelength dependence of the self-pumped phase-conjugate reflectivity in barium titanate is examined over most of the visible spectrum. It is also demonstrated that interference between two collinear beams incident upon the conjugator affects the behavior of the phase-conjugate mirror.

© 1984 Optical Society of America

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References

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  1. J. Feinberg, Opt. Lett. 7, 486 (1982).
    [CrossRef] [PubMed]
  2. J. Feinberg, Opt. Lett. 8, 480 (1983).
    [CrossRef] [PubMed]
  3. M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
    [CrossRef]
  4. J. Feinberg, “Optical phase conjugation in photorefractive materials” in Optical Phase Conjugation, R. A. Fisher, ed. (Academic, New York, 1983).
  5. K. R. McDonald, J. Feinberg, J. Opt. Soc. Am. 73, 548 (1983).
    [CrossRef]
  6. W. B. Whitten, J. M. Ramsey, Opt. Lett. 9, 44 (1984).
    [CrossRef] [PubMed]
  7. This is in contrast to newly published results [M. Cronin-Golomb et al., Appl. Phys. Lett. 44, 727 (1984)] brought to our attention by a referee. Their interaction geometry differs from ours in that they use an external mirror, whereas we rely on internal reflection.
    [CrossRef]

1984

W. B. Whitten, J. M. Ramsey, Opt. Lett. 9, 44 (1984).
[CrossRef] [PubMed]

This is in contrast to newly published results [M. Cronin-Golomb et al., Appl. Phys. Lett. 44, 727 (1984)] brought to our attention by a referee. Their interaction geometry differs from ours in that they use an external mirror, whereas we rely on internal reflection.
[CrossRef]

1983

1982

J. Feinberg, Opt. Lett. 7, 486 (1982).
[CrossRef] [PubMed]

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

Cronin-Golomb, M.

This is in contrast to newly published results [M. Cronin-Golomb et al., Appl. Phys. Lett. 44, 727 (1984)] brought to our attention by a referee. Their interaction geometry differs from ours in that they use an external mirror, whereas we rely on internal reflection.
[CrossRef]

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

Feinberg, J.

J. Feinberg, Opt. Lett. 8, 480 (1983).
[CrossRef] [PubMed]

K. R. McDonald, J. Feinberg, J. Opt. Soc. Am. 73, 548 (1983).
[CrossRef]

J. Feinberg, Opt. Lett. 7, 486 (1982).
[CrossRef] [PubMed]

J. Feinberg, “Optical phase conjugation in photorefractive materials” in Optical Phase Conjugation, R. A. Fisher, ed. (Academic, New York, 1983).

Fisher, B.

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

McDonald, K. R.

Ramsey, J. M.

White, J. O.

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

Whitten, W. B.

Yariv, A.

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

Appl. Phys. Lett.

M. Cronin-Golomb, B. Fisher, J. O. White, A. Yariv, Appl. Phys. Lett. 41, 689 (1982).
[CrossRef]

This is in contrast to newly published results [M. Cronin-Golomb et al., Appl. Phys. Lett. 44, 727 (1984)] brought to our attention by a referee. Their interaction geometry differs from ours in that they use an external mirror, whereas we rely on internal reflection.
[CrossRef]

J. Opt. Soc. Am.

Opt. Lett.

Other

J. Feinberg, “Optical phase conjugation in photorefractive materials” in Optical Phase Conjugation, R. A. Fisher, ed. (Academic, New York, 1983).

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Figures (4)

Fig. 1
Fig. 1

Wavelength dependence of the reflectivity of a self-pumped PC mirror in BaTiO3.

Fig. 2
Fig. 2

Wavelength scanning of the dye laser under the influence of SPPCM feedback starting at 649 nm, 100 mW.

Fig. 3
Fig. 3

Sequence of cumulative mode hops of the argon-ion laser under the influence of SPPCM feedback.

Fig. 4
Fig. 4

Time dependence of the PC signal showing the transition from one to two and returning to one beam incident upon the crystal. The single-beam reflectivity is ∼30%. See text for details.

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