Exceptional points are spectral singularities in open quantum and wave systems that exhibit a strong spectral response to perturbations. This feature can be exploited for a new generation of sensors. This paper explains the basic mechanism and comprehensively reviews the recent developments. In particular, it highlights the influence of classical noise and fundamental limitations due to quantum noise.

中文翻译：

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卓越的点基传感器回顾[邀请]

例外点是开放量子和波系统中的光谱奇点，它们对扰动表现出强烈的光谱响应。此功能可用于新一代传感器。本文解释了基本机制并全面回顾了最近的发展。特别是，它突出了经典噪声的影响和量子噪声引起的基本限制。