3 papers
quant-ph2019
Multiple-parameter estimation in a sagnac interferometer
Xu Yu, Hongbin Liang, Xiaoguang Wang
We explored the general characteristics of a Sagnac interferometer in a multiparameter estimation process. We find that in the two-parameter estimation scenario, one cannot make bo…
quant-ph2018
Enhancing the sensitivity of rotation in a multi-atom Sagnac interferometer
Fei Yao, Yanming Che, Yuguo Su +3
We investigate quantum sensing of rotation with a multi-atom Sagnac interferometer and present multi-partite entangled states to enhance the sensitivity of rotation frequency. For…
quant-ph2018
Phase-space geometric Sagnac interferometer for rotation sensing
Yanming Che, Fei Yao, Hongbin Liang +2
Quantum information processing with geometric features of quantum states may provide promising noise-resilient schemes for quantum metrology. In this work, we theoretically explore…