Controlling plasmonic hot spots by interfering Airy beams | Zendy

Angela E. Klein | Zendy; Alexander Minovich | Zendy; Michael Steinert | Zendy; Norik Janunts | Zendy; Andreas Tünnermann | Zendy; Dragomir N. Neshev | Zendy; Yuri S. Kivshar | Zendy; Thomas Pertsch | Zendy

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Controlling plasmonic hot spots by interfering Airy beams

Author(s) -

Angela E. Klein,

Alexander Minovich,

Michael Steinert,

Norik Janunts,

Andreas Tünnermann,

Dragomir N. Neshev,

Yuri S. Kivshar,

Thomas Pertsch

Publication year - 2012

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.37.003402

Subject(s) - optics , plasmon , surface plasmon , interference (communication) , materials science , airy beam , excitation , planar , surface plasmon polariton , optical tweezers , beam (structure) , physics , telecommunications , channel (broadcasting) , computer graphics (images) , quantum mechanics , computer science

We predict and demonstrate the generation of a plasmonic hot spot on the surface of a metal film by the interference of two Airy surface plasmons. We show that the position of the hot spot can be controlled by the distance between the excitation gratings as well as by the phase front of the initial excitation. The observed effect constitutes a planar analogy to Airy beam autofocusing and offers new opportunities for spatially resolved surface plasmon sensing and optical surface tweezers.

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