Temporal control of graphene plasmons

被引：26

作者：

Wilson, Josh ^{[1
]}

Santosa, Fadil ^{[1
]}

Min, Misun ^{[2
]}

Low, Tony ^{[3
]}

机构：

[1] Univ Minnesota, Sch Math, Minneapolis, MN 55455 USA

[2] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA

[3] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA

来源：

PHYSICAL REVIEW B | 2018年 / 98卷 / 08期

关键词：

TIME-REVERSAL; TERAHERTZ; WAVES;

D O I：

10.1103/PhysRevB.98.081411

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electrostatic gating and optical pumping schemes enable efficient time modulation of graphene's free-carrier density, or Drude weight. We develop a theory for plasmon propagation in graphene under temporal modulation. When the modulation is on the timescale of the plasmonic period, we show that it is possible to create a backwards propagating or standing plasmon wave and to amplify plasmons. The theoretical models show very good agreement with direct Maxwell simulations.

引用

页数：5

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