Abstract

We report trio upconversion laser action in Er:LiYF₄ with excitation at 1.55 μm resulting in cw emission at 0.55 μm to a temperature of 95 K and contrast its performance with earlier green erbium upconversion lasers.

© 1992 Optical Society of America

Continuous-wave mode-locked visible upconversion laser: ErratumVisible cooperative upconversion laser in Er:LiYF₄: Erratum

P. Xie and S. C. Rand
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