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Simultaneous ultraviolet, visible and near-infrared continuous-wave lasing in a rare-earth-doped microcavity
[article]
2021
arXiv
pre-print
Microlaser with multiple lasing bands is critical in various applications, such as full-colour display, optical communications and computing. Here, we propose a simple and efficient method for homogeneously doping rare earth elements into a silica whispering-gallery-mode microcavity. By this method, we demonstrate simultaneous and stable lasing covering ultraviolet, visible and near-infrared bands in an ultrahigh-Q (exceeding 108) Er-Yb co-doped silica microsphere under room temperature and
arXiv:2107.08683v1
fatcat:j6wg4fk2njdjtiawje3nn3savi