Enhancement of second-harmonic generation by coupling to long-range surface plasmons
- 1 December 1982
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 72 (12) , 1613-1617
- https://doi.org/10.1364/josa.72.001613
Abstract
We show theoretically that by use of a new coupling geometry the second-harmonic light generated at the surface of a thin metal film can be enhanced dramatically through a coupling of the fundamental field to a long-range surface-plasmon mode. The resulting reflected harmonic intensity is predicted to be more than 2 orders of magnitude larger than that obtainable in the standard Kretschmann or Otto geometry.Keywords
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