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Optics Letters

Optics Letters

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  • Vol. 25, Iss. 16 — Aug. 15, 2000
  • pp: 1177–1179

Suppression of radiation in a momentum-nonconserving nonlinear interaction

Muriel Botey, Jordi Martorell, J. Trull, and Ramon Vilaseca  »View Author Affiliations


Optics Letters, Vol. 25, Issue 16, pp. 1177-1179 (2000)
http://dx.doi.org/10.1364/OL.25.001177


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Abstract

We have considered the quadratic nonlinear radiation from a thin dipole sheet in front of a mirror. Radiation at the second-harmonic (SH) frequency on incidence of a fundamental field can be inhibited or enhanced independently of the SH field intensity stored between the nonlinear layer and the mirror. We have shown that this apparent contradiction can be fully understood only if the quadratic nonlinear interaction includes terms with a momentum mismatch equal to the magnitude of the SH field wave vector, such as the term that accounts for transfer of energy from the reflected SH field back to the incident fundamental.

© 2000 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(240.4350) Optics at surfaces : Nonlinear optics at surfaces

Citation
Muriel Botey, Jordi Martorell, J. Trull, and Ramon Vilaseca, "Suppression of radiation in a momentum-nonconserving nonlinear interaction," Opt. Lett. 25, 1177-1179 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-16-1177

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