非厄米性对绝热消去的影响
The Effect of non-Hermiticity on Adiabatic Elimination
摘要：
研究了耦合波导中非厄米性对绝热消除的影响。我们发现绝热消除不受影响时，系统是在宇称时间对称相。然而，在中断阶段中，被消除的波导失去其暗度，即其振幅开始增加，这意味着绝热消除在中断阶段中不成立。研究结果对耦合激光腔的动力学控制有一定的指导意义，对可控吸收体的设计也有一定的参考价值。
英文摘要：
We investigate the influence of non-Hermiticity on the adiabatic elimination in coupled waveguides. We show that adiabatic elimination is not affected when the system is in parity-time symmetric phase. However, in the broken phase the eliminated waveguide loses its darkness namely its amplitude starts increasing, which means adiabatic elimination does not hold in the broken phase. Our results can advance the control of the dynamics in coupled laser cavities, and help the design of controllable absorbers.
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