圆二色性
手性(物理)
平面手性
平面的
圆极化
光学
纳米光子学
物理
结晶学
化学
手征对称性
量子力学
对映选择合成
微带线
生物化学
计算机图形学(图像)
计算机科学
Nambu–Jona Lasinio模型
夸克
催化作用
作者
Xiao‐Qing Luo,Xiang Du,Rixing Huang,Guangyuan Li
标识
DOI:10.1002/lpor.202300186
摘要
Abstract Planar chiral metasurfaces have emerged as a versatile platform for manipulating chiral light‐matter interactions in diverse applications. However, it remains challenging to achieve high quality factors together with strong chirality. Here, chiral all‐dielectric metasurfaces with a high Q factor of 1220 and relatively large planar chirality of circular dichroism −0.37 under normal incidence, or with a high Q factor of 872 and large extrinsic 3D chirality of circular dichroism 0.7, based on Mie surface lattice resonances (SLRs) are proposed and experimentally demonstrated. Both SLR‐induced planar chirality under normal incidence and SLR‐assisted extrinsic 3D chirality under oblique incidence are achieved by perturbing the square lattice and by slightly tilting the incidence angle, respectively. It shows that the high‐ Q and strong chirality arises from the different excitation efficiencies of Mie SLRs under the incidences of left‐ and right‐handed circularly polarized light. With these findings, this study provides a new direction for realizing high‐performance chiral metasurfaces and holds great promise for chiral nanophotonic applications in biochemical sensing, emission or lasing, and nonlinear optics.
科研通智能强力驱动
Strongly Powered by AbleSci AI