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quant-ph2024★ 1 cited
Scaling of quantum Fisher information for quantum exceptional point sensors
Chun-Hui Liu, Fu Li, Shengwang Du +3
In recent years, significant progress has been made in utilizing the divergence of spectrum response rate at the exceptional point (EP) for sensing in classical systems, while the…
quant-ph2014
The effect of dissipation in direct communication scheme
Fu Li, Jun-Xiang Zhang, Shi-Yao Zhu
The effect of the dissipation and finite number of beam splitters are discussed. A method using balanced dissipation to improve the communication for finite beam splitters, which g…