Multi-dielectric stacks as a platform for giant optical field

Abstract : Multi-dielectric thin films are usually studied as waveguiding structures with low absorption effect because of the low imaginary part of the refractive index. However, when properly designed, we demonstrated that multi-dielectric stacks can sustain large optical fields. We briefly present here our design method leading the fabrication of such multi-dielectric stacks, which can be optimized for arbitrary wavelengths, indices or polarizations. We then report on our experimental character- ization in near and far field, using a photon scanning tunneling microscope and scattering optical setup, respectively. This investigation may find applications for ultra-sensitive optical sensors or integrated light sources to mention a few.
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Contributor : Aude Lereu <>
Submitted on : Friday, February 19, 2016 - 1:45:55 PM
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Aude L. Lereu, Myriam Zerrad, Petit Marlène, Frederique de Fornel, Amra C.. Multi-dielectric stacks as a platform for giant optical field. Active Photonic Materials VI, G. S. Subramania and S. Foteinopoulou, Aug 2014, San Diego, United States. pp.916219, ⟨10.1117/12.2060824⟩. ⟨hal-01276445⟩



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