Abstract

We describe a nonlinear method for generating, nearly instantaneously, a time-reversed replica of any monochromatic-beam wave pattern. The method employs the interaction of the incident beam, of arbitrary wave front, with counter-propagating plane “pump” waves in a homogeneous, transparent, nonlinear medium. Media are shown to exist in which time-reversed waves can be generated with high efficiency using available laser pump sources.

© 1977 Optical Society of America

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Corrections

R. W. Hellwarth, "Errata: Generation of time-reversed wave fronts by nonlinear refraction," J. Opt. Soc. Am. 68, 1155-1155 (1978)
https://www.osapublishing.org/josa/abstract.cfm?uri=josa-68-8-1155

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