高q可调轨道角动量辐射。

IF 3.2 2区 物理与天体物理 Q2 OPTICS
Optics express Pub Date : 2025-06-02 DOI:10.1364/OE.562020
Yunqiao Yin, Ye Zhang, Xiaofeng Xu, Lei Gao
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引用次数: 0

摘要

激光器和光源通常不辐射具有轨道角动量(OAM)的场。到目前为止,携带OAM的单光子的产生主要依赖于块状晶体中的非线性过程,这限制了源的可扩展性和效率。为了促进高效OAM单光子源的实现,我们展示了一种产生高q OAM涡旋光束的微谐振器涡旋发射器,该光束能够精确定义OAM模式的拓扑电荷。这种现象依赖于周期性扰动在纳米棒上的应用,它在连续引导光谱中产生一系列共振模式。未来发展具有OAM单光子源的集成量子光子器件可以实现高维量子信息处理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High-Q tunable orbital angular momentum radiation.

Lasers and light emitters typically do not radiate fields with orbital angular momentum (OAM). So far, the generation of single photons carrying OAM mainly relies on nonlinear processes in bulk crystals, which limits the scalability and efficiency of the source. To facilitate the realization of highly efficient OAM single-photon sources, we demonstrate a microresonator vortex emitter producing high-Q OAM vortex beams with the ability to precisely define the topological charge of the OAM mode. The phenomenon relies on the application of periodic perturbations on the nanobars, which generate a series of resonance modes in continuous guided spectra. Future developments of integrated quantum photonic devices with OAM single-photon sources may enable high-dimensional quantum information processing.

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来源期刊
Optics express
Optics express 物理-光学
CiteScore
6.60
自引率
15.80%
发文量
5182
审稿时长
2.1 months
期刊介绍: Optics Express is the all-electronic, open access journal for optics providing rapid publication for peer-reviewed articles that emphasize scientific and technology innovations in all aspects of optics and photonics.
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