Tunable parity-time symmetry vortex laser from a phase change material-based microcavity

Abstract Traditional light sources cannot emit an electromagnetic (EM) field with an orbital angular momentum (OAM), limiting their applications in modern optics. The recent development of the OAM laser, mainly based on micro- and nanostructures, can satisfy the increasing requirements for on-chip p...

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Bibliographic Details
Main Authors: Ying Su, Hongji Fan, Shitong Zhang, Tun Cao
Format: Article
Language:English
Published: Nature Publishing Group 2023-11-01
Series:Microsystems & Nanoengineering
Online Access:https://doi.org/10.1038/s41378-023-00622-z