光学微腔产生涡旋光束的特性分析及其研究进展

Characteristic Analysis and Research Progress of Vortex Beam Produced by Optical Microcavity

近些年来,涡旋光束特有的相位结构和携带轨道角动量(OAM)特性,使其在光通信、光操纵、成像、传感到量子信息等领域具有广泛的应用前景。但这些应用都必须依赖于高质量涡旋光束的产生,因此光学微腔凭借自身结构紧凑、品质因子高、元件体积小等优点,研制出的新型集成光学器件能够发射出高质量涡旋光束,在现代光电子器件制造中占据十分重要的地位。综述了光学微腔产生OAM光束的原理、研究进展、设计方案以及实验生成,同时对已有的OAM激光器性能进行分析,最后对集成光学器件应用领域面临的挑战和进一步改进方向进行展望。

In recent years,vortex beams have been widely used in optical communication,optical manipulation,imaging,sensing quantum information,and other fields owing to their unique phase structure and the characteristic of carrying orbital angular momentum(OAM).However,these applications must rely on the generation of high-quality vortex beams so that the optical microcavity occupies a very important position in the modern optoelectronic device manufacturing because of its compact structure,high quality factor,small element size,and other advantages.The developed new integrated optical device can emit high-quality vortex beam.The principle,research progress,design schemes,and experimental generation of optical microcavities to generate OAM beams are discussed in this paper.Simultaneously,the performance of existing OAM lasers is analyzed.Finally,the challenges faced by the applications of integrated optical devices and the directions for further improvement are considered.