Manipulation and Steering of Hyperbolic Surface Polaritons in Hexagonal Boron Nitride

被引：73

作者：

Dai, Siyuan ^{[1
,2
]}

Tymchenko, Mykhailo ^{[2
]}

Yang, Yafang ^{[3
]}

Ma, Qiong ^{[3
]}

Pita-Vidal, Marta ^{[3
]}

Watanabe, Kenji ^{[4
]}

Taniguchi, Takashi ^{[4
]}

Jarillo-Herrero, Pablo ^{[3
]}

Fogler, Michael M. ^{[1
]}

Alu, Andrea ^{[2
]}

Basov, Dimitri N. ^{[1
,5
]}

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

[2] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78712 USA

[3] MIT, Dept Phys, Cambridge, MA 02215 USA

[4] Natl Inst Mat Sci, Namiki 1-1, Tsukuba, Ibaraki 3050044, Japan

[5] Columbia Univ, Dept Phys, 538 W 120th St, New York, NY 10027 USA

来源：

ADVANCED MATERIALS | 2018年 / 30卷 / 16期

关键词：

hexagonal boron nitride; hyperbolic surface polaritons; polariton steering; PHONON-POLARITONS; TRANSFORMATION OPTICS; NEGATIVE REFRACTION; INFRARED LIGHT; WAVE-GUIDES; GRAPHENE; METAMATERIALS; PLASMONS; METASURFACES; INDEFINITE;

D O I：

10.1002/adma.201706358

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hexagonal boron nitride (hBN) is a natural hyperbolic material that supports both volume-confined hyperbolic polaritons and sidewall-confined hyperbolic surface polaritons (HSPs). In this work, efficient excitation, control, and steering of HSPs are demonstrated in hBN through engineering the geometry and orientation of hBN sidewalls. By combining infrared nanoimaging and numerical simulations, the reflection, transmission, and scattering of HSPs are investigated at the hBN corners with various apex angles. It is also shown that the sidewall-confined nature of HSPs enables a high degree of control over their propagation by designing the geometry of hBN nanostructures.

引用

页数：5

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