Multiple coupling of surface plasmons in quasiperiodic gratings | Zendy

Ido Dolev | Zendy; Michael Volodarsky | Zendy; Gil Porat | Zendy; Ady Arie | Zendy

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Multiple coupling of surface plasmons in quasiperiodic gratings

Author(s) -

Ido Dolev,

Michael Volodarsky,

Gil Porat,

Ady Arie

Publication year - 2011

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.36.001584

Subject(s) - quasiperiodic function , optics , grating , surface plasmon , surface plasmon polariton , plasmon , coupling (piping) , wavelength , diffraction grating , materials science , physics , optoelectronics , condensed matter physics , metallurgy

Whereas periodic gratings enable us to couple light into a surface plasmon polariton only at a specific angle and wavelength, we show here that quasiperiodic gratings enable the coupling of light at multiple wavelengths and angles. The quasiperiodic grating can be designed in a systematic manner using the dual-grid method, thereby enabling us to control the coupling strength and grating dimensions. We verified the method experimentally by efficiently coupling light into a surface plasmon from several different illumination angles using a single quasiperiodic grating.

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