Coherent Two-Photon Atmospheric Lidar Based on Up-Conversion Quantum Erasure

被引：0

作者：

Wang, Chong ^{[1
]}

Yang, Kexin ^{[1
]}

Qu, Luoyuan ^{[2
]}

Li, Yudie ^{[1
]}

Zhao, Ruocan ^{[1
]}

Xue, Xianghui ^{[1
,3
,4
]}

Chen, Tingdi ^{[1
,4
]}

Dou, Xiankang ^{[4
]}

机构：

[1] Univ Sci & Technol China, Hefei 230026, Peoples R China

[2] Shandong Guoyao Quantum Lidar Co Ltd, Jinan 250101, Peoples R China

[3] Univ Sci & Technol China, CAS Ctr Excellence Comparat Planetol, CAS Key Lab Geospace Environm, Anhui Mengcheng Geophys Natl Observat & Res Stn, Hefei 230026, Peoples R China

[4] Hefei Natl Lab, Hefei 230088, Peoples R China

来源：

ACS PHOTONICS | 2024年 / 11卷 / 09期

基金：

中国国家自然科学基金;

关键词：

single photons; quantum beat; quantumerasure; wind lidar; OU-MANDEL INTERFERENCE; ENTHALPY PROBE; PHOTONS; LIGHT;

D O I：

10.1021/acsphotonics.4c00302

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The Hong-Ou-Mandel (HOM) effect, also called two-photon interference, which is pivotal in quantum information processing, serves as the foundation for our coherent two-photon wind detection method, achieving time-frequency discrimination. Our method capitalizes on the complete erasure of phase and color distinctions with up-conversion detectors, allowing for the observation of HOM interference among independently sourced photons without necessitating delay tuning or active synchronization. The integration of quantum erasure enhances the bandwidth in both space-time and frequency domains, paving the way for ultrafast, continuous velocity detection up to tens of km/s. The demonstration uses just 14% pulse energy of previous levels, enabling a wind detection range up to 16 km, marking a quantum leap in remote sensing capabilities.

引用

页码：3528 / 3535

页数：8

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