Enhancing the absorption of graphene in the terahertz range

We study graphene on a photonic crystal operating in the terahertz (THz) spectral range. We show that the absorption of graphene becomes a modulated function of frequency and can be enhanced by more than three times at specific frequency values, depending on the parameters of the system. The problem...

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Veröffentlicht in:	Europhysics letters 2013-03, Vol.101 (5), p.58002
Hauptverfasser:	Peres, N. M. R., Bludov, Yu. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	78.30.-j 78.67.-n 81.05.ue
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	We study graphene on a photonic crystal operating in the terahertz (THz) spectral range. We show that the absorption of graphene becomes a modulated function of frequency and can be enhanced by more than three times at specific frequency values, depending on the parameters of the system. The problem of a semi-infinite photonic crystal is also solved.
ISSN:	0295-5075 1286-4854
DOI:	10.1209/0295-5075/101/58002