Ultrafast time-resolved spectroscopy of one-dimensional metal-dielectric photonic crystals

T. Ergin, T. Benkert, H. Giessen, and M. Lippitz
Phys. Rev. B 79, 245134 – Published 29 June 2009

Abstract

We study the all-optical switching behavior of one-dimensional metal-dielectric photonic crystals due to the nonlinearity induced by a hot electron gas. A polychromatic pump-probe setup is used to determine the wavelength and pump intensity dependence of the ultrafast transmission suppression as well as the dynamics of the process on a subpicosecond time scale. We find ultrafast (subpicosecond) as well as a slow (millisecond) behavior. We present a model of the ultrafast dynamics and nonlinear response, which can fit the measured data well and allows us to separate the thermal and the electronic response of the system.

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  • Received 10 March 2009

DOI:https://doi.org/10.1103/PhysRevB.79.245134

©2009 American Physical Society

Authors & Affiliations

T. Ergin, T. Benkert, H. Giessen, and M. Lippitz*

  • 4. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart, Germany and Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany

  • *m.lippitz@physik.uni-stuttgart.de

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Issue

Vol. 79, Iss. 24 — 15 June 2009

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