Single-photon compressive imaging with some performance benefits over raster scanning |
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| Authors: | Wen-Kai Yu Xue-Feng Liu Xu-Ri Yao Chao Wang Guang-Jie Zhai Qing Zhao |
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| Affiliation: | 1. Key Laboratory of Electronics and Information Technology for Space Systems, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing, 100190, China;3. College of Physics, Beijing Institute of Technology, Beijing, 100081, China |
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| Abstract: | A single-photon imaging system based on compressed sensing has been developed to image objects under ultra-low illumination. With this system, we have successfully realized imaging at the single-photon level with a single-pixel avalanche photodiode without point-by-point raster scanning. From analysis of the signal-to-noise ratio in the measurement we find that our system has much higher sensitivity than conventional ones based on point-by-point raster scanning, while the measurement time is also reduced. |
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| Keywords: | Optical system design Image reconstruction Tomography Quantum fluctuations, quantum noise, and quantum jumps |
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