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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper CFF7

Self-oscillation and self-pumped phase conjugation in Cr:YAlO3

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Abstract

When two beams of different frequency interact in a medium with a local nonlinear optical response, one beam experiences gain at the expense of the other. We refer to this process as nondegenerate two-wave mixing. Figure 1 shows measurements of the nondegenerate two- wave mixing gain for a weak probe beam interacting with a strong pump beam in a crystal of Cr:YAlO3. The laser wavelength is 515 nm and the probe is downshifted with respect to the pump by approximately 5 Hz. Gain in excess of 12 times is obtained.

© 1996 Optical Society of America

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