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Proceedings Paper

Optical coupling into nonlinear waveguides: an approach
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Paper Abstract

In the present work we analyse the nonlinear, nonlocal response tensor describing optical second-harmonic processes in centrosymmetric free-electron-like bulk metals with a flat surface. On the basis of the classical infinite barrier (CIB)-model and the Boltzmann equation in the relaxation time approximation we present new analytic results for the fully nonlocal nonlinear response tensor. Via numerical calculations the nonlinear, fully nonlocal response tensor's dependence on the fundamental frequency is discussed and compared with that of the near-local (hydrodynamic) response tensor. Finally, the significance of the contribution to the nonlinear, nonlocal optical response stemming for single-particle excitations, i.e. Landau interactions, is considered.

Paper Details

Date Published: 1 August 1990
PDF: 9 pages
Proc. SPIE 1273, Nonlinear Optical Materials III, (1 August 1990); doi: 10.1117/12.20469
Show Author Affiliations
Victor F. Dios, Univ. Politecnica de Catalunya (Spain)
Lluis Torner, Univ. Politecnica de Catalunya (Spain)

Published in SPIE Proceedings Vol. 1273:
Nonlinear Optical Materials III
Peter Guenter, Editor(s)

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