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Efficient manipulation of surface plasmon polariton waves in graphene
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10.1063/1.4729557
/content/aip/journal/apl/100/24/10.1063/1.4729557
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/24/10.1063/1.4729557
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The schematic diagram of a dielectric/dielectric/graphene/dielectric structure with permittivities .

Image of FIG. 2.
FIG. 2.

The schematic of a plasmonic Luneburg lens, in which a dielectric cone is placed on a monolayer graphene, where D = 340 nm and L = 500 nm.

Image of FIG. 3.
FIG. 3.

The mode index required by the Luneburg lens at 30 THz with .

Image of FIG. 4.
FIG. 4.

The effective mode index of SPP at 30 THz versus the thickness of the second dielectric layer in the dielectric/dielectric/graphene/dielectric structure. In the simulation, we set , , , and nm.

Image of FIG. 5.
FIG. 5.

Simulation results of the plasmonic Luneburg lens, showing the z component of electric field of SPP wave at 30 THz. (a) The spherical SPP wave is evolved into a plane SPP wave. (b) The plane SPP wave focuses into a point after propagating the lens.

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/content/aip/journal/apl/100/24/10.1063/1.4729557
2012-06-14
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient manipulation of surface plasmon polariton waves in graphene
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/24/10.1063/1.4729557
10.1063/1.4729557
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