Guided Plasmon Modes of a Graphene-Coated Kerr Slab

被引：24

作者：

Hajian, Hodjat ^{[1
]}

Rukhlenko, Ivan D. ^{[2
,3
]}

Leung, P. T. ^{[4
]}

Caglayan, Humeyra ^{[1
,5
]}

Ozbay, Ekmel ^{[1
,6
,7
]}

机构：

[1] Bilkent Univ, Nanotechnol Res Ctr, TR-06800 Ankara, Turkey

[2] ITMO Univ, Modeling & Design Nanostructures Lab, St Petersburg 197101, Russia

[3] Monash Univ, Clayton Campus, Clayton, Vic 3800, Australia

[4] Portland State Univ, Dept Phys, POB 751, Portland, OR 97207 USA

[5] Abdullah Gul Univ, Dept Elect & Elect Engn, TR-38039 Kayseri, Turkey

[6] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey

[7] Bilkent Univ, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey

来源：

PLASMONICS | 2016年 / 11卷 / 03期

关键词：

Surface plasmons; Plasmonics; Kerr effect; Nonlinear optics at surfaces; SLOT WAVE-GUIDES; SURFACE-PLASMON; DISPERSION-RELATION; NONLINEAR MEDIA; PROPAGATION; POLARITONS; INTERFACE; NANOWIRES; DESIGN; FILMS;

D O I：

10.1007/s11468-015-0104-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study analytically propagating surface plasmon modes of a Kerr slab sandwiched between two graphene layers. We show that some of the modes that propagate forward at low field intensities start propagating with negative slope of dispersion and positive flux of energy (fast-light surface plasmons) when the field intensity becomes high. We also discover that our structure supports an additional branch of low-intensity fast-light guided modes. The possibility of dynamically switching between the forward and the fast-light plasmon modes by changing the intensity of the excitation light or the chemical potential of the graphene layers opens up wide opportunities for controlling light with light and electrical signals on the nanoscale.

引用

页码：735 / 741

页数：7

共 30 条

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