Polarization-entangled photons from a whispering gallery resonator

被引：0

作者：

Huang, Sheng-Hsuan ^{[1
,2
]}

Dirmeier, Thomas ^{[1
,2
]}

Shafiee, Golnoush ^{[1
,2
]}

Laiho, Kaisa ^{[3
]}

Strekalov, Dmitry V. ^{[1
]}

Leuchs, Gerd ^{[1
,2
]}

Marquardt, Christoph ^{[1
,2
]}

机构：

[1] Max Planck Inst Sci Light, Staudtstr 2, D-91058 Erlangen, Germany

[2] Friedrich Alexander Univ Erlangen Nurnberg, Dept Phys, Staudtstr 7-B2, D-91058 Erlangen, Germany

[3] German Aerosp Ctr DLR eV, Inst Quantum Technol, Wihelm Runge Str 10, D-89081 Ulm, Germany

来源：

NPJ QUANTUM INFORMATION | 2024年 / 10卷 / 01期

关键词：

MODES; TIME;

D O I：

10.1038/s41534-024-00876-z

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：7

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