Ultrafast Bragg switching induced by a phase transition in a 3D photonic crystal

Dmitry A. Mazurenko; Andrey V. Akimov; Valery G. Golubev; Alexander A. Kaplyanskii; Dmitry A. Kurdyukov; Alexander B. Pevtsov; Robert Kerst; Jaap I. Dijkhuis

doi:10.1117/12.545810

15 September 2004 Ultrafast Bragg switching induced by a phase transition in a 3D photonic crystal

Dmitry A. Mazurenko, Andrey V. Akimov, Valery G. Golubev, Alexander A. Kaplyanskii, Dmitry A. Kurdyukov, Alexander B. Pevtsov, Robert Kerst, Jaap I. Dijkhuis

Author Affiliations +

Proceedings Volume 5450, Photonic Crystal Materials and Nanostructures; (2004) https://doi.org/10.1117/12.545810
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We demonstrate ultrafast shifting of a photonic stop band driven by a photoinduced phase transition in vanadium dioxide (VO₂) forming a three-dimensional photonic crystal. An ultrashort 120-fs laser pulse induces a phase transition in VO₂ filling the pores of an artificial silica opal, thus changing the effective dielectric constant of the opal. Consequently, the spectral position of the photonic stop band blue-shifts producing large changes in the reflectivity. The observed switching of the photonic crystal is faster that 350 fs. The demonstrated properties of opal-VO₂ composite are relevant for potential applications in all-optical switches, optical memories, low-threshold lasers, and optical computers.

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Dmitry A. Mazurenko, Andrey V. Akimov, Valery G. Golubev, Alexander A. Kaplyanskii, Dmitry A. Kurdyukov, Alexander B. Pevtsov, Robert Kerst, and Jaap I. Dijkhuis "Ultrafast Bragg switching induced by a phase transition in a 3D photonic crystal", Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); https://doi.org/10.1117/12.545810

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