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Proceedings Paper

Gratings In Nonlinear Optics And Enhanced Nonlinear Optical Effects
Author(s): M. Neviere; R. Reinisch; H. Akhouayri; J. L. Coutaz; D. Maystre
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Paper Abstract

This paper presents the last developments of Surface Enhanced Second Harmonic Generation by gratings, linked with electromagnetic resonances like Delocalized Surface Plasmons or Guided Waves which occur at the pump frequency. Two rigorous electromagnetic theories have been developed to deal with metallic or dielectric nonlinear materials, and implemented numerically. They allow calculating and optimizing the enhancement of the Second Harmonic Signal, compared to the flat interface. It is shown that not only the groove depth plays a key role in the enhancement process, but also the groove spacing and groove shape. Moreover, the nature of the electromagnetic resonance (Surface Plasmon or Guided Waves) may influence the enhancement by an order of magnitude. The study of the enhancement of the linear local field may give interesting predictions for other nonlinear effects like Surface Enhanced Raman Scattering or Kerr effect and Optical Bistability, but does not seem to give very useful predictions for second harmonic generation.

Paper Details

Date Published: 28 March 1989
PDF: 5 pages
Proc. SPIE 1029, Scattering and Diffraction, (28 March 1989); doi: 10.1117/12.950394
Show Author Affiliations
M. Neviere, Centre de St-Jerome (France)
R. Reinisch, Laboratoire d'Electromagnetisme, Micro-Ondes et Opto-Electronique (France)
H. Akhouayri, Centre de St-Jerome (France)
J. L. Coutaz, Laboratoire d'Electromagnetisme, Micro-Ondes et Opto-Electronique (France)
D. Maystre, Centre de St-Jerome (France)

Published in SPIE Proceedings Vol. 1029:
Scattering and Diffraction
Hedzer A. Ferwerda, Editor(s)

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