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Proceedings Paper

Nonlinear optical tuning in a 2-D silicon photonic crystal
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Paper Abstract

The real (Kerr) and imaginary (two photon absorption) parts of a third order optical nonlinearity are used to tune the long (1.6μm) and short (1.3μm) wavelength band edges of a stop gap in a two-dimensional silicon photonic crystal. The reflectance of the probe beam reveals information about the rise and fall times of the switching. More detailed investigations show the different time response of reflectance for different optical modes excited by the pump beam. We present a model based on simple "pertubation" formalism that can explain how any mode of photonic crystals is affected by general, weak refractive index pertubations.

Paper Details

Date Published: 12 September 2005
PDF: 9 pages
Proc. SPIE 5926, Tuning the Optical Response of Photonic Bandgap Structures II, 59260C (12 September 2005); doi: 10.1117/12.616985
Show Author Affiliations
Stefan L. Schweizer, Univ. of Paderborn (Germany)
Ralf Boris Wehrspohn, Univ. Paderborn (Germany)
Hong-Wee Tan, Univ. of Toronto (Canada)
Henry M. van Driel, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 5926:
Tuning the Optical Response of Photonic Bandgap Structures II
Philippe M. Fauchet; Paul V. Braun, Editor(s)

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