Generation of time-reversed waves by nonlinear refraction in a waveguide
- 1 September 1978
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (5), 404-405
- https://doi.org/10.1063/1.90392
Abstract
We have generated, essentially instantaneously, a time‐reversed replica (phase‐conjugate) of a monochromatic optical wave (at 6943 Å) by directing the wave into a CS2‐filled waveguide where it interacts via the third‐order nonlinear susceptibility with counterpropagating pump waves of the same frequency. This method is shown to have advantages over a similar replication process which has been observed with unguided waves in an infinite homogeneous medium.Keywords
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