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Fresnel's laws in discrete optical media

: Szameit, A.; Trompeter, H.; Heinrich, M.; Dreisow, F.; Peschel, U.; Pertsch, T.; Nolte, S.; Lederer, F.; Tünnermann, A.

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New journal of physics. Online journal 10 (2008), October, Art. 103020, 16 pp.
ISSN: 1367-2630
Journal Article, Electronic Publication
Fraunhofer IOF ()

We present the discrete analog of Snell's refraction law at the interface between two dissimilar waveguide arrays. Additionally, reflection and transmission coefficients for the Bloch waves are derived analytically. The theoretical findings were confirmed by analyzing the evolution of light in femtosecond laser written waveguide arrays.