相关实验视频
Updated: Jun 4, 2025

06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
8.9K
在非线性波导阵列中可调整的空间纠生成
A Raymond1, A Zecchetto1, J Palomo2
1<a href="https://ror.org/05f82e368">Université Paris Cité</a>, CNRS, Laboratoire Matériaux et Phénomènes Quantiques, 75013 Paris, France.
Physical review letters
|December 23, 2024
概括
研究人员使用非线性波导开发了一个紧的,可重新配置的源用于纠的光子对. 这一突破使先进的量子信息技术能够通过在芯片上高效地操纵空间纠来实现.
科学领域:
- 量子光学和光子学 量子光学和光子学
- 量子信息科学 量子信息科学
- 综合光子学 综合光子学
背景情况:
- 高维纠的光状态对于量子信息技术至关重要.
- 空间自由度对于芯片内集成是理想的,但传统上需要离散的光学元件.
- 连续合的非线性波导系统为产生和操纵纠的光子提供了一个紧的替代方案.
研究的目的:
- 实现一个紧且可重新配置的路径纠的光子对源.
- 为了利用连续合的非线性波导系统在芯片上进行量子信息处理.
- 在纠的光子对中设计特定的空间相关性.
主要方法:
- 在半导体非线性波导阵列中利用参数向下转换.
- 采用双配置来设计输出量子状态.
- 在波导中产生的双光子状态之间的量子干扰被利用.
主要成果:
- 证明了一种紧且可重新配置的路径纠的光子对源.
- 在室温和电信波长下实现了工程空间相关性.
- 展示了连续合波导系统在量子应用中的潜力.
结论:
- 连续合的非线性波导系统为芯片上的量子信息提供了一个强大的平台.
- 这种方法为处理空间纠的离散光学电路提供了一个有希望的替代方案.
- 开发的源具有对 quantum 计算和通信的进步有重大影响.
相关概念视频
Standing Waves in a Cavity
864
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
864
Generating Electromagnetic Radiations
2.6K
The German physicist Heinrich Hertz (1857–1894) was the first to generate and detect certain types of electromagnetic waves in the laboratory. Starting in 1887, he performed a series of experiments that confirmed the existence of electromagnetic waves and verified that they travel at the speed of light. Hertz used an alternating-current RLC (resistor-inductor-capacitor) circuit that resonated at a known frequency and connected it to a loop of wire. High voltages induced across the gap in...
2.6K

