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[23] [23] Schomerus H. Quantum noise and self-sustained radiation of PTsymmetric systems. Physical Review Letters, 2010, 104(23): 233601 === Yingxin Jiang obtained her master’s degree from Lanzhou University, Lanzhou (China), in 2006. In 1999, as a teacher she joined the Department of Physics, Jiangsu University, Zhenjiang, China. In 2012, she was elected as an associate professor. Her research interests include optical physics