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Updated: Jun 5, 2025

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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通过二进制针孔的连贯
Akanksha Gautam1, Amit K Agarwal2, Rakesh Kumar Singh1
1Laboratory of Information Photonics and Optical Metrology, Department of Physics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India.
Nanophotonics (Berlin, Germany)
|December 16, 2024
概括
研究人员使用结构化的二进制针孔创建了可调节轨道角动量 (OAM) 的连贯. 这种新的方法从不连贯的光源中产生纯粹的OAM模式和光子轮.
科学领域:
- 光学和光子学 在光学和光子学.
- 量子信息科学 量子信息科学
背景情况:
- 连贯,空间连贯函数中的奇点,表现为零可见度和螺旋相结构.
- 这些旋对于理解光的复杂行为至关重要,并且在光学操纵和通信中具有潜在的应用.
研究的目的:
- 引入一种新的技术,用于产生可控制的拓电荷的连贯.
- 探索使用不连贯光的纯轨道角动量 (OAM) 模式和光子轮的创建.
主要方法:
- 使用石版和湿蚀刻制造异国情调结构的二进制针孔.
- 使用这些自定义光圈控制来自不连贯源平面的光传导率.
- 分析两个点复杂的空间连贯函数来描述生成的.
主要成果:
- 成功生成了具有不同拓电荷的连贯.
- 在连贯谱中观察多个和纯轨道角动量 (OAM) 模式.
- 通过叠加OAM模式与相反的拓电荷来演示光子轮.
结论:
- 拟议的方法提供了一个多功能平台,用于生成量身定制的连贯状态.
- 该技术为先进的光学应用提供了操纵光的空间连贯性质的新途径.
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