Distributed Phase Estimation at the Heisenberg Limit with Classical Light
Zijian Guo,
Peijie Sun,
Yifan Sun
et al.
Abstract:Quantum metrology, such as quantum phase estimation, can surpass classical sensing limits, reaching the Heisenberg‐scaling precision. So far, this kind of metrology has been thought to be only implementable with the quantum systems, which, however, are fragile to environmental noise and hardly contribute to the practical detections. Herein, it is demonstrated both theoretically and experimentally that the parameter encoded by the optical phase can also be estimated at the Heisenberg scaling in classical optics… Show more
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