Huttunen, Mikko J; Bautista, Godofredo; Decker, Manuel; Linden, S; Wegener, M; Kauranen, Martti
Chirality, i.e., lack of reflection symmetry, is a property of materials which leads to optical activity (OA) effects . Chiral materials occur in two enantiomers, which are mirror images of each other. In recent years, chiral metamaterials based on metal nanostructures have been shown to lead to greatly enhanced OA effects in the linear optical response [2,3]. On the other hand, second-harmonic generation (SHG) from ideally achiral metal nanostructures is extremely sensitive to chiral...[Show more]
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