Abstract

Efficient laser operation at wavelengths around $1.6\mathrm{\mu m}$ is demonstrated in $\mathrm{Er}(1.1\text{\hspace{0.17em} at}\mathrm{.}\%):{\mathrm{YVO}}_4$. The crystal is in-band pumped at $1536\mathrm{nm}$ by a fiber laser, resulting in a maximum slope efficiency of 57.9% with respect to the absorbed pump power and $2.3\mathrm{W}$ of maximum output power. Wavelength tuning with a birefringent filter to wavelength bands suitable for ${\mathrm{CO}}_2$ lidar applications at 1579 and $1603\mathrm{nm}$ could be obtained.

© 2011 Optical Society of America

Nearly quantum-defect-limited efficiency, resonantly pumped, Er³⁺:YVO₄ laser at 1593.5 nm

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