Experimental demonstration of graphene plasmons working close to the near-infrared window

Abstract

Due to strong mode-confinement, long propagation-distance, and unique tunability, graphene plasmons have been widely explored in the mid-infrared and terahertz windows. However, it remains a big challenge to push graphene plasmons to shorter wavelengths in order to integrate graphene plasmon concepts with existing mature technologies in the near-infrared region. We investigate localized graphene plasmons supported by graphene nanodisks and experimentally demonstrated graphene plasmon working at 2 μm with the aid of a fully scalable block copolymer self-assembly method. Our results show a promising way to promote graphene plasmons for both fundamental studies and potential applications in the near-infrared window.

arXiv comment6 pages, 4 figures, a revised version

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• Emergent scale invariance of non-classical plasmons in graphene nanoribbons
• Tunable light trapping and absorption enhancement with graphene-based complementary metamaterials
• Plasmon-plasmon interaction and the role of buffer in epitaxial graphene micro-flakes