Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1866892 | Physics Letters A | 2014 | 6 Pages |
•We design a single photon imaging system with compressed sensing.•A single point avalanche photodiode is used without raster scanning.•The Poisson shot noise in the measurement is analyzed.•The sensitivity of our system is proved to be higher than that of raster scanning.
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.