arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1709.01892cond-mat.mes-hall
收藏

六方氮化硼中双曲表面极化激元的操纵和转向

Manipulation and steering of hyperbolic surface polaritons in hexagonal boron nitride

S. Dai, M. Tymchenko, Y. Yang, Q. Ma, M. Pita-Vidal, K. Watanabe, T. Taniguchi, P. Jarillo-Herrero, M. M. Fogler, A. Alù, D. N. Basov

摘要:

面元氮化硼(hBN)是一种天然的双曲材料,它支持体积限制的双曲极化激元(HP)和侧壁限制的双曲表面极化激元(HSP)。在这项工作中,我们证明了有效的激励,控制和转向的热休克蛋白在hBN通过工程的hBN侧壁的几何形状和方向。通过红外纳米成像和数值模拟相结合,我们研究了热休克蛋白在不同顶角的hBN角的反射,透射和散射。我们表明,热休克蛋白的侧壁限制的性质,使其传播的高度控制,通过设计的hBN纳米结构的几何形状。

英文摘要:

Hexagonal boron nitride (hBN) is a natural hyperbolic material that supports both volume-confined hyperbolic polaritons (HPs) and sidewall-confined hyperbolic surface polaritons (HSPs). In this work, we demonstrate effective excitation, control and steering of HSPs in hBN through engineering the geometry and orientation of hBN sidewalls. By combining infrared (IR) nano-imaging and numerical simulations, we investigate the reflection, transmission and scattering of HSPs at the hBN corners with various apex angles. We show that the sidewall-confined nature of HSPs enables a high degree of control over their propagation by designing the geometry of hBN nanostructures.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑