论文标题
使用不完美(泄漏)光子组件模拟特殊点环绕
Emulating exceptional-point encirclements using imperfect (leaky) photonic components
论文作者
论文摘要
非热式系统最近引起了光子学的极大关注。这些系统的标志之一是通过特殊点(EP)的动态包围实现不对称模式切换和无置极化器动作的可能性。在这里,我们为这些设备的运行原理提供了新的视角,并且在理论上和实验上表明,使用相同的性能和局限性,可以轻松地实现不对称的模式切换和Omni极光器动作,并使用简单的配置,这些简单配置可将涉及的物理性化合物涉及的物理,而无需附上EPS而没有实际附带的复杂性。提出的“包围模拟器”的概念以及我们的理论和实验结果可能可以更好地评估EP包围的局限性,实践潜力和应用在非富米式光子学中的应用。
Non-Hermitian systems have recently attracted significant attention in photonics. One of the hallmarks of these systems is the possibility of realizing asymmetric mode switching and omnipolarizer action through the dynamic encirclement of exceptional points (EP). Here, we offer a new perspective on the operating principle of these devices, and we theoretically and experimentally show that asymmetric mode switching and omni-polarizer action can be easily realized with the same performance and limitations, using simple configurations that emulate the physics involved in encircling EPs without the complexity of actual encirclement schemes. The proposed concept of 'encirclement emulators' and our theoretical and experimental results may allow a better assessment of the limitations, practical potential, and applications of EP encirclements in non-Hermitian photonics.