Reduction of Rayleigh scattering in nonlinear optical phase conjugations by photo-induced density redistribution in atomic vapors

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This paper was published in "Journal of the Optical Society of America. A, Optics, image science, and vision" and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=josaa-15-10-2678. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.We investigate the reduction of Rayleigh scattering in four-wave mixing due to photoinduced spatial redistribution of atoms in atomic vapors. The Rayleigh scattering from the pump beams in optical phase conjugation is a major source of noise which affects the fidelity of the phase conjugated image. In the blue-shifted operation, the atoms are driven toward thelow intensity regions of the standing wave pattern leading to a reduced Rayleigh scattering. We also investigate the effect of saturation on the differential scattering cross-section.
Optical Society of Americaの論文
1998-00-00