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Optical switching in metallic photonic crystal slabs with photoaddressable polymers |
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| Authors: | D. Nau R.P. Bertram K. Buse T. Zentgraf J. Kuhl S.G. Tikhodeev N.A. Gippius H. Giessen |
| Affiliation: | (1) Institute of Applied Physics, University of Bonn, Wegelerstrasse 8, 53115 Bonn, Germany;(2) Institute of Physics, University of Bonn, Wegelerstrasse 8, 53115 Bonn, Germany;(3) Max-Planck-Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany;(4) A.M. Prokhorov General Physics Institute RAS, Moscow, 119991, Russia;(5) 4th Physics Institute, University of Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart, Germany |
| Abstract: | We report on a metal-polymer compound material with optical properties that can be reversibly switched all-optically. The key element is a metallic photonic crystal slab with an additional layer of photoaddressable material that provides a large variable birefringence and sharp resonances. Pump-probe experiments show a shift of the photonic crystal resonances that depends on the pump polarization and on the exposure. Comparison of the results with calculations from a scattering-matrix theory allows one to determine the refractive index changes for different polarization geometries and to model our compound material quantitatively. PACS 42.65.Pc; 42.70.Jk; 42.70.Qs; 78.67.-n |
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