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Title: Chiral plasmonics and enhanced chiral light-matter interactions
Authors: Du, Wei
Wen, Xinglin
Gérard, Davy
Qiu, Chang-Wei
Xiong, Qihua
Keywords: Science::Physics::Optics and light
Issue Date: 2019
Source: Du, W., Wen, X., Gérard, D., Qiu, C.-W., & Xiong, Q. (2020). Chiral plasmonics and enhanced chiral light-matter interactions. Science China: Physics, Mechanics and Astronomy, 63(4), 244201-. doi:10.1007/s11433-019-1436-4
Project: NRF2017-NRF-ANR005 2D-CHIRAL
Journal: Science China: Physics, Mechanics and Astronomy
Abstract: Chirality, which describes the broken mirror symmetry in geometric structures, exists macroscopically in our daily life as well as microscopically down to molecular levels. Correspondingly, chiral molecules interact differently with circularly polarized light exhibiting opposite handedness (left-handed and right-handed). However, the interaction between chiral molecules and chiral light is very weak. In contrast, artificial chiral plasmonic structures can generate “super-chiral” plasmonic near-field, leading to enhanced chiral light-matter (or chiroptical) interactions. The “super-chiral” near-field presents different amplitude and phase under opposite handedness incidence, which can be utilized to engineer linear and nonlinear chiroptical interactions. Specifically, in the interaction between quantum emitters and chiral plasmonic structures, the chiral hot spots can favour the emission with a specific handedness. This article reviews the state-of-the-art research on the design, fabrication and chiroptical response of different chiral plasmonic nanostructures or metasurfaces. This review also discusses enhanced chiral light-matter interactions that are essential for applications like chirality sensing, chiral selective light emitting and harvesting. In the final part, the review ends with a perspective on future directions of chiral plasmonics.
ISSN: 1674-7348
DOI: 10.1007/s11433-019-1436-4
Schools: School of Electrical and Electronic Engineering 
School of Physical and Mathematical Sciences 
Organisations: NOVITAS, Nanoelectronics Center of Excellence
MajuLab, International Joint Research Unit UMI 3654, CNRS
Rights: © 2019 Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature. All rights reserved. This paper was published in Science China: Physics, Mechanics and Astronomy and is made available with permission of Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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