Optical Pulling and Pushing Forces in Bilayer PT-Symmetric Structures

被引：31

作者：

Alaee, Rasoul ^{[1
]}

Christensen, Johan ^{[2
]}

Kadic, Muamer ^{[3
]}

机构：

[1] Max Planck Inst Sci Light, D-91058 Erlangen, Germany

[2] Univ Carlos III Madrid, Inst Gregorio Millan Barbany, ES-28916 Madrid, Spain

[3] Univ Bourgogne Franche Comte, CNRS, UMR 6174, Inst FEMTO ST, F-25000 Besancon, France

来源：

PHYSICAL REVIEW APPLIED | 2018年 / 9卷 / 01期

基金：

欧洲研究理事会;

关键词：

RADIATION PRESSURE;

D O I：

10.1103/PhysRevApplied.9.014007

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate the optical force exerted on a parity-time-symmetric bilayer made of balanced gain and loss. We show that an asymmetric optical pulling or pushing force can be exerted on this system depending on the direction of impinging light. The optical pulling or pushing force has a direct physical link to the optical characteristics embedded in the non-Hermitian bilayer. Furthermore, we suggest taking advantage of the optically generated asymmetric force to launch vibrations of an arbitrary shape, which is useful for the contactless probing of mechanical deformations.

引用

页数：8

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