表面等离子体共振中涡旋光束的光子自旋霍尔效应行为

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-04-01 DOI:10.1016/j.optcom.2025.131822

Zirui Qin , Zhongxu Zheng , Haoran Chen , Linjiao Ren , Pei Zhang , Rubin Qi , Qingfang Zhang , Jitao Zhang , Liying Jiang

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引用次数: 0

摘要

以往对表面等离子共振（SPR）增强光子自旋霍尔效应（PSHE）的研究主要集中在非涡旋光束上。在SPR被激发时，携带丰富本征轨道角动量（IOAM）的涡旋光束的PSHE行为研究有限。在此基础上，建立了涡旋光束的PSHE模型，研究了涡旋光束在SPR激励下的各种位移行为和特性。从自旋相关的角度揭示了PSHE的面内和面外位移的具体组成，以及它们与自旋依赖和自旋独立（Goos-Hänchen和Imbert-Fedorov）位移的相互关系。得到了一些有趣的发现。此外，本文还揭示了IOAM对PSHE每次移位的不同影响，并阐明了不同拓扑电荷下PSHE每次移位的行为特征。此外，还解释了SPR对PSHE每次位移的增强作用。这些研究使人们对PSHE有了更系统、更深入的了解，为基于SPR-PSHE的高灵敏度传感和精确测量提供了新的灵感，也为纳米光子学中的光子操纵和自旋控制提供了新的途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Photonic spin Hall effect behavior of vortex beam in surface plasmon resonance

Previous studies on surface plasmon resonance (SPR) enhanced photonic spin Hall effect (PSHE) have primarily focused on non-vortex beams. There is limited study on the PSHE behavior of vortex beams carrying rich intrinsic orbital angular momentum (IOAM) when SPR is excited. Based on this, we establish the PSHE model of vortex beam, and study the behavior and characteristics of all types of shift of vortex beams PSHE under SPR excitation. The specific composition of the in-plane and out-of-plane shifts of PSHE from the perspective of spin correlation, as well as their interrelationships with spin dependent and spin independent (Goos–Hänchen and Imbert–Fedorov) shifts, are unveiled. Some intriguing findings are obtained. In addition, this paper reveals the different effects of IOAM on each shift of PSHE, and elucidates the behavior characteristics of each shift under different topological charges. Furthermore, the reasons why each shift of PSHE is enhanced by SPR are explained. These research enable a systematic and deeper understanding of PSHE, and offer new inspirations for highly sensitive sensing and precise measurements based on SPR-PSHE, as well as new avenues for photon manipulation and spin-controlled in nanophotonics.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.