相关实验视频
Updated: May 6, 2026

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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第三波生成增强和波面控制使用局部高Q元表面
Claudio U Hail1, Lior Michaeli1, Harry A Atwater1
1Thomas J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, California 91125, United States.
Nano letters
|February 12, 2024
概括
研究人员开发了一种高品质的因子转移表面,以增强非线性光学过程,如第三波代. 这一突破为先进的光学应用程序提供了强大的增强和精确的空间控制.
科学领域:
- 光子学和纳米技术的使用.
- 非线性光学是非线性光学.
背景情况:
- 高质量因子 (high-Q) 光学纳米结构增强非线性光学过程.
- 然而,现场增强通常会导致光学模式非局部性,限制空间控制.
研究的目的:
- 为了实现第三波代 (THG) 的同时强烈增强和空间控制.
- 在非线性光学过程中克服增强和局部控制之间的权衡.
主要方法:
- 利用基于更高阶的Mie共振模式的局部高Q元表面.
- 研究了第三波代的空间控制和效率.
主要成果:
- 已证明的第三波生成效率高达3.25 × 10^-5.
- 实现了高质量的波纹成型,使用第三和金属.
- 观察到一个平带,角度独立的THG响应,直至±11°的撞击角度.
结论:
- 开发的超表面为非线性光学过程提供了同时强大的增强和局部控制.
- 高效的频率转换和精确的空间控制为新型非线性光学设备铺平了道路.
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