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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QTuI32

Higher-order dephasing-induced wave mixing

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Abstract

Several types of nonlinear-optical "extra resonances'' have been discovered in the past decade. These resonances do not occur in low-pressure environments with low-power monochromatic beams. They can be induced, however, by high-power or short pulses, laser fluctuations, collisional dephasing, or other dephasing processes. In all cases, they occur because dephasing or another of these processes rephases quantum-mechanical amplitudes that ordinarily exactly cancel, thereby allowing otherwise unobservable wave-mixing resonances to be seen. This is an especially interesting, phenomenon because the resonances are coherent effects that are induced by an incoherent process (collisional dephasing, laser fluctuations, etc.).

© 1991 Optical Society of America

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