Yellow whispering-gallery-mode lasing at 573 nm is demonstrated from Dy3+-doped amorphous fluoride microspheres with a 190 μW threshold using one-photon blue pumping and Q = 3.5 × 10^6.
Robust low threshold full-color upconversion lasing in rare -earth activated nanocrystal-in-glass microcavity
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Yellow whispering-gallery-mode lasing from amorphous fluoride microspheres
Yellow whispering-gallery-mode lasing at 573 nm is demonstrated from Dy3+-doped amorphous fluoride microspheres with a 190 μW threshold using one-photon blue pumping and Q = 3.5 × 10^6.