Nearly quantum defect-limited laser operation of a resonantly-pumped Er3+:YVO4 at 1593.5 nm is demonstrated. Achieved slope efficiency of ~85% is, to the best of our knowledge, the highest efficiency ever reported for crystalline Er-doped laser.
© 2011 OSA
N. Ter-Gabrielyan, V. Fromzel, T. Lukasiewicz, W. Ryba-Romanowski, and M. Dubinskii, "85%-efficient, Resonantly Pumped, Er3+-doped Orthovanadate Laser," in Advances in Optical Materials, OSA Technical Digest (CD) (Optical Society of America, 2011), paper AIThF1.
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