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Proceedings Paper

Ultrafast all-optical switching of 3D photonic band gap crystals
Author(s): T. G. Euser; H. Wei; J. Kalkman; Y. Jun; M. Guina; S. Suomalainen; A. Polman; D. J. Norris; W. L. Vos
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Paper Abstract

We present ultrafast optical switching experiments on 3D photonic band gap crystals. Switching the Si inverse opal is achieved by optically exciting free carriers by a two-photon process. We probe reflectivity in the frequency range of second order Bragg diffraction where the photonic band gap is predicted. We observe a large frequency shift of up to 1.5% of all spectral features including the peak that corresponds to the photonic band gap. We also demonstrate large, ultrafast shifts of stop bands of planar GaAs/AlAs photonic structures. We briefly discuss how our results can be used in future switching and modulation applications.

Paper Details

Date Published: 25 September 2007
PDF: 4 pages
Proc. SPIE 6640, Active Photonic Crystals, 66400G (25 September 2007); doi: 10.1117/12.737495
Show Author Affiliations
T. G. Euser, FOM Institute for Atomic and Molecular Physics (Netherlands)
H. Wei, Univ. of Minnesota (United States)
J. Kalkman, FOM Institute for Atomic and Molecular Physics (Netherlands)
Y. Jun, Univ. of Minnesota (United States)
M. Guina, Tampere Univ. of Technology (Finland)
S. Suomalainen, Tampere Univ. of Technology (Finland)
A. Polman, FOM Institute for Atomic and Molecular Physics (Netherlands)
D. J. Norris, Univ. of Minnesota (United States)
W. L. Vos, FOM Institute for Atomic and Molecular Physics (Netherlands)
Univ. of Twente (Netherlands)

Published in SPIE Proceedings Vol. 6640:
Active Photonic Crystals
Sharon M. Weiss; Ganapathi S. Subramania; Florencio Garcia-Santamaria, Editor(s)

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