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Coherent Perfect Absorption in Higher Order Systems
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作者 Mengjun Fan Linxue fu +1 位作者 Yaqiong Ding xinming fu 《Journal of Applied Mathematics and Physics》 2023年第3期737-745,共9页
We investigate the phenomenon of coherent perfect absorption in a high-order system with three passive resonators coupled to a super-surface to form this three-state coherent perfect absorber. The effective parity tim... We investigate the phenomenon of coherent perfect absorption in a high-order system with three passive resonators coupled to a super-surface to form this three-state coherent perfect absorber. The effective parity time (PT) symmetry in the passive system has received much attention, and in this open three-state PT symmetric system, the incident wave is used as the effective gain instead of balancing the material gain and loss. We analyze the variation of coherent perfect absorption of this system with the coupling coefficient of the system by simulation. 展开更多
关键词 Exceptional Point PT Symmetry Non-Hermitian System Coherent Perfect Absorption
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