Linear mode conversion of terahertz radiation into terahertz surface magnetoplasmons on a rippled surface of magnetized n-InSb

被引：14

作者：

Kumar, Pawan ^{[1
]}

Kumar, Manish ^{[2
]}

Tripathi, V. K. ^{[3
]}

机构：

[1] Raj Kumar Goel Inst Technol, Dept Phys, Ghaziabad 201003, Uttar Pradesh, India

[2] BHU, Indian Inst Technol, Dept Elect Engn, Varanasi, Uttar Pradesh, India

[3] IIT Delhi, Dept Phys, New Delhi 110016, India

来源：

OPTICS LETTERS | 2016年 / 41卷 / 07期

关键词：

PLASMON POLARITONS; TRANSMISSION; ENHANCEMENT; LIGHT;

D O I：

10.1364/OL.41.001408

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new mechanics of linear mode conversion of terahertz (THz) radiation into THz surface magnetoplasmons on a rippled surface of magnetized n-InSb is proposed. The normally incident THz radiation, polarized in the direction of a ripple wave vector, imparts oscillatory velocity to electrons in the ripple layer. This velocity beats with surface ripple to produce a nonlinear current that resonantly drives the THz surface magnetoplasmons. In the presence of an applied magnetic field, the surface plasmon (SP) mode splits into two modes-an upper mode and a lower mode. The amplitude of the SP for the upper branch mode is higher than that for the lower mode. (C) 2016 Optical Society of America

引用

页码：1408 / 1411

页数：4

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