3 papers
quant-ph2025
Channel-loss-independent quantum-enhanced interferometer
Yi-Xin Shen, Zhou-Kai Cao, Jian Leng +1
We propose a channel-loss-independent quantum-enhanced interferometer. In our scheme, the Fisher information for phase difference of weak light from a remote star remains constant…
quant-ph2025
Piecemeal Telescope Array: Exponential Precision with Strong Robustness and High Efficiency
Jian Leng, Yi-Xin Shen, Zhou-Kai Cao +1
Optical telescopes are powerful eyes for terrestrial and astronomical detection. Here we propose a new detection method with high efficiency, strong robustness and super precision,…
astro-ph.IM2025
Piecemeal method revisited
Yi-Xin Shen, Zhou-Kai Cao, Jian Leng +1
Detecting the angles and orbits of remote targets precisely has been playing crucial roles in astrophysical research. Due to the resolution limitations imposed by the Airy disk in…