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Optics Letters

Optics Letters


  • Vol. 5, Iss. 2 — Feb. 1, 1980
  • pp: 64–66

Amplification and phase conjugation by degenerate four-wave mixing in a saturable absorber

E. I. Moses and F. Y. Wu  »View Author Affiliations

Optics Letters, Vol. 5, Issue 2, pp. 64-66 (1980)

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We report amplification (600%) and phase conjugation of Nd:YAG laser radiation by degenerate four-wave mixing (DFWM) in solutions of a nickel dithiene Q-switched compound, BDN. Quadratic dependence of reflectivity on pump intensity at intensities well above saturation is observed, and a model based on a metastable-state susceptibility is proposed to account for this dependence. The measured relative values of the χ(3) tensor elements are given, and implications for phase conjugation of arbitrarily polarized wave fronts are discussed. Simultaneous DFWM and Nd:YAG laser Q-switching in the same BDN sample is achieved.

© 1980 Optical Society of America

Original Manuscript: November 21, 1979
Published: February 1, 1980

E. I. Moses and F. Y. Wu, "Amplification and phase conjugation by degenerate four-wave mixing in a saturable absorber," Opt. Lett. 5, 64-66 (1980)

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