Review of exceptional point-based sensors
Jan Wiersig
Abstract
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.
Topics & Concepts
Noise (video)Computer scienceQuantumQuantum noiseQuantum sensorGravitational singularityPoint (geometry)Quantum imagingFeature (linguistics)Mechanism (biology)Quantum opticsPhysicsQuantum technologyOpen quantum systemOpticsQuantum mechanicsArtificial intelligenceMathematicsImage (mathematics)GeometryPhilosophyLinguisticsMechanical and Optical ResonatorsQuantum Mechanics and Non-Hermitian PhysicsQuantum optics and atomic interactions