来自耳语画廊谐振器的偏振纠缠光子

IF 6.6 1区物理与天体物理 Q1 PHYSICS, APPLIED

npj Quantum Information Pub Date : 2024-09-13 DOI:10.1038/s41534-024-00876-z

Sheng-Hsuan Huang, Thomas Dirmeier, Golnoush Shafiee, Kaisa Laiho, Dmitry V. Strekalov, Gerd Leuchs, Christoph Marquardt

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引用次数: 0

摘要

晶体耳语廊模式谐振器（WGMR）已被证明是一种多功能量子态源，可与原子系统有效地相互作用。这些特点使 WGMR 成为量子信息处理的高效平台。在这里，我们通过实验证明，使用干涉测量方案可以从 WGMRs 产生偏振纠缠。通过改变干涉仪的相对相位，我们的方案可以灵活地控制生成的纠缠态的相位。系统中克劳瑟-霍恩-希莫尼-霍尔特不等式的 S 值为 2.45 ± 0.07，违反不等式的标准偏差超过 6 个。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Polarization-entangled photons from a whispering gallery resonator

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Polarization-entangled photons from a whispering gallery resonator

Crystalline whispering gallery mode resonators (WGMRs) have been shown to facilitate versatile sources of quantum states that can efficiently interact with atomic systems. These features make WGMRs an efficient platform for quantum information processing. Here, we experimentally show that it is possible to generate polarization entanglement from WGMRs by using an interferometric scheme. Our scheme gives us the flexibility to control the phase of the generated entangled state by changing the relative phase of the interferometer. The S value of Clauser–Horne–Shimony–Holt’s inequality in the system is 2.45 ± 0.07, which violates the inequality by more than six standard deviations.

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来源期刊

npj Quantum Information Computer Science-Computer Science (miscellaneous)

CiteScore

13.70

自引率

3.90%

发文量

130

审稿时长

29 weeks

期刊介绍： The scope of npj Quantum Information spans across all relevant disciplines, fields, approaches and levels and so considers outstanding work ranging from fundamental research to applications and technologies.