Coherent Two-Photon Atmospheric Lidar Based on Up-Conversion Quantum Erasure
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide 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.
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Research context
OpenAlex topics: Advanced Optical Sensing Technologies · Advanced Fiber Laser Technologies · Ocular and Laser Science Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
University of Science and Technology of China, Hefei 230026, China
Shandong Guoyao Quantum Lidar Company Ltd., Jinan 250101, China
CAS Key Laboratory of Geospace Environment/CAS Center for Ex-cellence in Comparative Planetology, Anhui Mengcheng Geophysics National Observation and Research Station, University of Science and Technology of China, Hefei 230026, China
Hefei National Laboratory, Hefei 230088, China
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province · Anhui Initiative in Quantum Information Technologies · Innovation Program for Quantum Science and Technology
References (45)
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