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Proceedings Paper

Nonlinear optical studies of one-dimensional SOI photonic crystal slabs
Author(s): Gabriele Vecchi; Andrea M. Malvezzi; Maddalena Patrini; Giorgio Guizzetti; Lucio C. Andreani; Marco Liscidini; Yong Chen; David Peyrade
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Paper Abstract

We report on third-harmonic (TH) generation emitted from 1D photonic slabs etched into Silicon-on-Insulator (SOI) planar waveguides, as compared to the bare waveguide and (100) Silicon bulk responses. 130-fs laser pulses at ~ 810 nm and ~1550 nm have been chosen as a pump to excite TH signals in reflection and diffraction directions. The measured angles of in-plane diffracted third-harmonic beams agree with those predicted by nonlinear diffraction equations. The nonlinear reflectance as a function of the angle of incidence and azimuthal orientation of the structure has been measured. The near-infrared measurements have revealed that, whenever the pump frequency is resonant with a photonic mode, a substantial enhancement of the harmonic signal occurs. This nonlinear mechanism is in principle a very sensitive spectroscopic tool in determining and mapping the photonic band diagram of the system above the light line. The agreement between experimental data and ad hoc simulations of the nonlinear behavior of the system sheds new light on the nonlinear optical response of these nanostructured materials.

Paper Details

Date Published: 15 September 2004
PDF: 9 pages
Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); doi: 10.1117/12.545826
Show Author Affiliations
Gabriele Vecchi, INFM and Univ. degli Studi di Pavia (Italy)
Andrea M. Malvezzi, INFM and Univ. degli Studi di Pavia (Italy)
Maddalena Patrini, INFM and Univ. degli Studi di Pavia (Italy)
Giorgio Guizzetti, INFM and Univ. degli Studi di Pavia (Italy)
Lucio C. Andreani, INFM and Univ. degli Studi di Pavia (Italy)
Marco Liscidini, INFM and Univ. degli Studi di Pavia (Italy)
Yong Chen, Lab. de Photonique et Nanostructures, CNRS (France)
David Peyrade, Lab. de Photonique et Nanostructures, CNRS (France)

Published in SPIE Proceedings Vol. 5450:
Photonic Crystal Materials and Nanostructures
Richard M. De La Rue; Pierre Viktorovitch; Clivia M. Sotomayor Torres; Michele Midrio, Editor(s)

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