Comparison of Back and Top Gating Schemes with Tunable Graphene Fractal Metasurfaces

In this work, fractal metasurfaces that consist of periodic gold squares on graphene are used to increase light–graphene interaction. We show by simulations and experiments that higher level fractal structures result in higher spectral tunability of resonance wavelength. This is explained by higher...

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Veröffentlicht in:	ACS photonics 2016-12, Vol.3 (12), p.2303-2307
Hauptverfasser:	Aygar, Ayse Melis, Balci, Osman, Cakmakyapan, Semih, Kocabas, Coskun, Caglayan, Humeyra, Ozbay, Ekmel
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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