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Proceedings Article

Ultrafast all-optical switching of 3D photonic band gap crystals

[+] Author Affiliations
T. G. Euser, J. Kalkman, A. Polman

FOM Institute for Atomic and Molecular Physics (Netherlands)

H. Wei, Y. Jun, D. J. Norris

Univ. of Minnesota

M. Guina, S. Suomalainen

Tampere Univ. of Technology (Finland)

W. L. Vos

FOM Institute for Atomic and Molecular Physics (Netherlands) and Univ. of Twente (Netherlands)

Proc. SPIE 6640, Active Photonic Crystals, 66400G (September 25, 2007); doi:10.1117/12.737495
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From Conference Volume 6640

  • Active Photonic Crystals
  • Sharon M. Weiss; Ganapathi S. Subramania; Florencio Garcia-Santamaria
  • San Diego, California, USA | August 26, 2007

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.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

T. G. Euser ; H. Wei ; J. Kalkman ; Y. Jun ; M. Guina, et al.
"Ultrafast all-optical switching of 3D photonic band gap crystals", Proc. SPIE 6640, Active Photonic Crystals, 66400G (September 25, 2007); doi:10.1117/12.737495; http://dx.doi.org/10.1117/12.737495


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