Surface-enhanced second-harmonic generation of optical beams from a metal surface
- 15 July 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 44 (3), 1240-1257
- https://doi.org/10.1103/physrevb.44.1240
Abstract
The spatiotemporal behavior of the surface-enhanced second-harmonic generation at a metal-vacuum interface with a sinusoidal grating is investigated. Using a singular-perturbation approach, the effects of self-phase modulation and the nonlinear excitation of the surface polariton on the enhanced second-harmonic generation are taken into account. The intensity dependence of the enhancement factor is presented. Lateral shift and beam-profile modification are predicted in the second-harmonic radiation.Keywords
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