光的密集轨道角动量的高效角度分离

IF 6.5 1区物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Photonics Pub Date : 2024-05-23 DOI:10.1021/acsphotonics.4c00357

Qingsong Yao, Weichao Liu, Jie Cheng, Qi Liang and Chenhao Wan*,

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引用次数: 0

摘要

光的轨道角动量（OAM）分拣对于光复用系统的成功至关重要。最近，有关 OAM 分选的研究通过光子动量变换实现了角度分离。然而，在角度方向上有效分选密集的 OAM 模式仍然具有挑战性。在这里，我们提出了一种实现密集 OAM 模式高效角度分离的方法。角度域和径向域的混合菲涅尔透镜与 OAM 倍增器相结合，实现了更好的模式识别并减少了模式重叠。仿真和实验都证明了这种方法的良好性能。我们的方法可能在未来的光通信、光学操纵和量子系统中大有可为。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Efficient Angular Separation of the Dense Orbital Angular Momentum of Light

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Efficient Angular Separation of the Dense Orbital Angular Momentum of Light

Sorting orbital angular momentum (OAM) of light is crucial for the success of optical multiplexing systems. Recently, research on OAM sorting has achieved angular separation via photonic momentum transformation. Nevertheless, efficiently sorting dense OAM modes in angular directions still remains challenging. Here, we present a method to implement efficient angular separation of dense OAM modes. A hybrid Fresnel lens in the angular domain and radial domain is used in combination with an OAM multiplier to achieve better mode discrimination and reduced mode overlap. The favorable performance is demonstrated in both simulation and experiment. Our method may find great potential in future optical telecommunications, optical manipulation, and quantum systems.

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来源期刊

ACS Photonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

11.90

自引率

5.70%

发文量

438

审稿时长

2.3 months

期刊介绍： Published as soon as accepted and summarized in monthly issues, ACS Photonics will publish Research Articles, Letters, Perspectives, and Reviews, to encompass the full scope of published research in this field.