Abstract
Based on a free-running diode-end-pumped a-cut laser with output power of 3.61 W at a single wavelength of -polarized 1342 nm, we further obtain a 1.82 W -polarized 1345 nm laser with a slope efficiency of about 22.3% by introducing an intracavity etalon, for the first time to the best of our knowledge. In addition, a simultaneous dual-wavelength orthogonally polarized laser at -polarized 1342 nm and -polarized 1345 nm can also be achieved with a maximum output power of 1.35 W. The dual-wavelength laser provides a potential laser source for terahertz wave generation.
© 2015 Optical Society of America
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