Field demonstration of distributed quantum sensing without post-selection
- Resource Type
- Conference
- Authors
- Zhao, Si-Ran; Zhang, Yu-Zhe; Liu, Wen-Zhao; Guan, Jian-Yu; Zhang, Weijun; Li, Cheng-Long; Bai, Bing; Li, Ming-Han; Liu, Yang; You, Lixing; Zhang, Jun; Fan, Jingyun; Xu, Feihu; Zhang, Qiang; Pan, Jian-Wei
- Source
- 2021 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2021. :1-3 Jun, 2021
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Optical fiber communication
Sensors
- Language
We demonstrate distributed quantum sensing in field and show the unconditional violation (without post-selection) of shot-noise limit up to 0.916 dB with the averaged heralding efficiency of 73.88% for the field distance of 240 m.