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quant-ph2022
Simultaneous multiple angular displacement estimation precision enhanced by the intramode correlation
Shoukang Chang, Wei Ye, Xuan Rao +5
The angular displacement estimation is one of significant branches of quantum parameter estimation. However, most of the studies have focused on the single-angular displacement est…
quant-ph2022
Quantum-improved phase estimation with a displacement-assisted SU(1,1) interferometer
W. Ye, S. K. Chang, S. Y. Gao +3
By performing two local displacement operations (LDOs) inside an SU(1,1) interferometer, called as the displacement-assisted SU(1,1) [DSU(1,1)], both the phase sensitivity based on…
quant-ph2022★ 8 cited
Evaluating the quantum Ziv-Zakai bound in noisy environments
Shoukang Chang, Wei Ye, Xuan Rao +5
In the highly non-Gaussian regime, the quantum Ziv-Zakai bound (QZZB) provides a lower bound on the available precision, demonstrating the better performance compared with the quan…