2 papers
quant-ph2021
Threshold for a discrete-variable sensor of quantum reservoirs
Wei Wu, Zhen Peng, Si-Yuan Bai +1
Quantum sensing employs quantum resources of a sensor to attain a smaller estimation error of physical quantities than the limit constrained by classical physics. To measure a quan…
quant-ph2019
Retrieving ideal precision in noisy quantum optical metrology
Kai Bai, Zhen Peng, Hong-Gang Luo +1
Quantum metrology employs quantum effects to attain a measurement precision surpassing the limit achievable in classical physics. However, it was previously found that the precisio…