Single-photon frequency-modulated continuous-wave Lidar based on quantum compressed sensing

被引：2

作者：

Yang, Liu ^{[1
,2
]}

Niu, Hongqi ^{[1
,2
]}

Wu, Shuxiao ^{[1
,2
]}

Hu, Jianyong ^{[1
,2
]}

Jing, Mingyong ^{[1
,2
]}

Qiao, Zhixing ^{[3
]}

Yang, Changgang ^{[1
,2
]}

Zhang, Guofeng ^{[1
,2
]}

Qin, Chengbing ^{[1
,2
]}

Chen, Ruiyun ^{[1
,2
]}

Xiao, Liantuan ^{[1
,2
]}

Jia, Suotang ^{[1
,2
]}

机构：

[1] Shanxi Univ, Inst Laser Spect, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China

[2] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Peoples R China

[3] Shanxi Med Univ, Coll Med Imaging, Taiyuan 030001, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2024年 / 22卷 / 07期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

frequency-modulated continuous-wave Lidar; single-photon Lidar; quantum compressed sensing; HETERODYNE-DETECTION;

D O I：

10.3788/COL202422.072602

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Frequency-modulated continuous-wave (FMCW) Lidar has the characteristics of high-ranging accuracy, noise immunity, and synchronous speed measurement, which makes it a candidate for the next generation of vehicle Lidar. In this work, an FMCW Lidar working at the single-photon level is demonstrated based on quantum compressed sensing, and the target distance is recovered from the sparse photon detection, in which the detection sensitivity, bandwidth, and compression ratio are improved significantly. Our Lidar system can achieve 3 GHz bandwidth detection at photon count rates of a few thousand, making ultra-long-distance FMCW Lidar possible.

引用

页数：7

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