Research progress of liquid crystals in optical microcavities
In recent years,the application of liquid crystals in optical microcavities has emerged as a cutting-edge research hotspot.High-quality-factor optical microcavities enable precise control and modulation of light,while liquid crystals offer additional tunability and optical anisotropy,enriching the physical mechanisms of light field control.This paper summarizes the research progress of liquid crystals in optical microcavities,with a particular focus on the characteristic of changing the light field distribution within the microcavity by electrically regulating the orientation of liquid crystal molecules.This physical mechanism has shown great potential in polarization state modulation and other fields.Additionally,the latest research trends in liquid crystal microcavity photonics are discussed,including non-Hermitian photonics,topological photonics,and the manipulation of exciton-polariton condensates in liquid crystal microcavities with the perovskite CsPbBr3 as optically active material,and discuss how these advances may open up new research opportunities for optical communication and information processing.Finally,the paper looks forward to in-depth studies on the interaction mechanisms of liquid crystal microcavity,aiming to provide guidance for the development of future photonic devices and systems.
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