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In this work, resonance phenomena in a negative photonic crystal are experimentally detected and discussed. Localized surface modes and guided mode resonances appear in the reflection spectrum of a photonic crystal slab interacting with external infrared radiation and can be connected with the negative refractive index of the sample . These phenomena can provide an efficient way to confine the radiation into the structure, with an high field enhancement and a strong sensibility of the resonance position to the refractive index variations.
International Society for Optics and Photonics
Publication date: 
19 Feb 2014

S Romano, E De Tommasi, AC De Luca, I Rendina, S Cabrini, V Mocella

Biblio References: 
Volume: 8994 Pages: 89941D
Photonic and Phononic Properties of Engineered Nanostructures IV