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Proceedings Paper

Analysis of linear and nonlinear optical properties of diffraction gratings inscribed on the surface of single crystals of the KTiOPO[sub]4[/sub] family
Author(s): G. Raj Kumar; J. J. Carvajal; M. C. Pujol; X. Mateos; M. Aguiló; F. Diaz; J. R. Vázquez de Aldana; C. Romero; C. Méndez; P. Moreno; L. Roso; J. Ferré-Borrull; J. Pallarès; L. F. Marsal; R. Macovez; J. Martorell
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Paper Abstract

We demonstrate here that it is possible to fabricate 1D and 2D diffraction gratings on the (001) surface of RbTiOPO4 (RTP) and KTiOPO4 (KTP) single crystals. We analyzed the linear and nonlinear optical properties of 1D and 2D nonlinear photonic crystals. We show enhanced second harmonics when the samples were illuminated with a pulsed Nd:YAG laser, when compared to non-structured surface of the same materials and mainly there exists an asymmetry on the diffraction patterns of the second harmonic generated light, showing higher intensity in diffraction orders different to the zero order in the reflection configuration.

Paper Details

Date Published: 4 June 2010
PDF: 10 pages
Proc. SPIE 7728, Nonlinear Optics and Applications IV, 772817 (4 June 2010); doi: 10.1117/12.854729
Show Author Affiliations
G. Raj Kumar, Univ. Rovira i Virgili (Spain)
J. J. Carvajal, Univ. Rovira i Virgili (Spain)
M. C. Pujol, Univ. Rovira i Virgili (Spain)
X. Mateos, Univ. Rovira i Virgili (Spain)
M. Aguiló, Univ. Rovira i Virgili (Spain)
F. Diaz, Univ. Rovira i Virgili (Spain)
J. R. Vázquez de Aldana, Univ. de Salamanca (Spain)
C. Romero, Univ. de Salamanca (Spain)
C. Méndez, Univ. de Salamanca (Spain)
P. Moreno, Univ. de Salamanca (Spain)
L. Roso, Univ. de Salamanca (Spain)
J. Ferré-Borrull, Univ. Rovira i Virgili (Spain)
J. Pallarès, Univ. Rovira i Virgili (Spain)
L. F. Marsal, Univ. Rovira i Virgili (Spain)
R. Macovez, ICFO - Instituto de Ciencias Fotónicas (Spain)
J. Martorell, ICFO - Instituto de Ciencias Fotónicas (Spain)

Published in SPIE Proceedings Vol. 7728:
Nonlinear Optics and Applications IV
Benjamin J. Eggleton; Alexander Luis Gaeta; Neil G. R. Broderick, Editor(s)

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