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Improved linear and Kerr nonlinear phase estimation via photon addition operations
Zekun Zhao, Qingqian Kang, Shoukang Chang, Teng Zhao, Cunjin Liu, Xin Su, Liyun Hu
Communications in Theoretical Physics . 2026, (5): 55104 .  DOI: 10.1088/1572-9494/ae418f