通过轨道偏振全息术实现全光偏振操作

IF 5.3 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Frontiers of Physics Pub Date : 2022-02-21 DOI:10.3389/fphy.2022.843852

Ziyao Lyu, Changshun Wang

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引用次数: 0

摘要

自旋轨道光学现象与光与物质的相互作用密切相关，近年来引起了人们的极大兴趣。本文用轨道偏振全息术实验研究了光学轨道角动量（OAM）对携带自旋角动量（SAM）的偏振波的影响，并用Jones矩阵进行了理论分析。我们报道了在一种光取向超分子液晶膜中，通过各种螺旋模式的正交偏振光束的干涉，用可控的全息光栅记录，可以实现全光OAM到偏振的操纵。衍射光束的偏振态可以通过调节记录光场的空间自由度来控制。从Jones矩阵和光致双折射的角度讨论了OAM控制的偏振操作。由于实现了OAM到SAM的转换，这项工作可能会在各种设备中找到应用。

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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All-Optical Polarization Manipulation Through Orbital Polarization Holography

Spin-orbital optical phenomena are closely related with light-matter interactions and have been of great interest in the last few years. Here, the effect of optical orbital angular momentum (OAM) on polarized waves carrying spin angular momentum (SAM) has been investigated experimentally by means of orbital polarization holography and analyzed with Jones matrices theoretically. We report that all-optical OAM-to-polarization manipulation can be realized with a controllable holographic grating recorded through the interference of orthogonally polarized beams in various helical modes in a kind of photo-alignment supermolecular liquid-crystalline films. The polarization states of diffraction beams can be controlled through adjusting the spatial degree of freedom of the recording light field. The OAM-controlled polarization manipulation is discussed in terms of Jones matrices and photoinduced birefringence. Because of the realization of OAM-to-SAM conversion, this work may find applications in a variety of devices.

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来源期刊

Frontiers of Physics PHYSICS, MULTIDISCIPLINARY-

CiteScore

9.20

自引率

9.30%

发文量

898

审稿时长

6-12 weeks

期刊介绍： Frontiers of Physics is an international peer-reviewed journal dedicated to showcasing the latest advancements and significant progress in various research areas within the field of physics. The journal's scope is broad, covering a range of topics that include: Quantum computation and quantum information Atomic, molecular, and optical physics Condensed matter physics, material sciences, and interdisciplinary research Particle, nuclear physics, astrophysics, and cosmology The journal's mission is to highlight frontier achievements, hot topics, and cross-disciplinary points in physics, facilitating communication and idea exchange among physicists both in China and internationally. It serves as a platform for researchers to share their findings and insights, fostering collaboration and innovation across different areas of physics.