Integrated intracavity quasi-phase-matched second harmonic generation based on periodically poled Nd:LiTaO3
- 6 January 1997
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 70 (1) , 10-12
- https://doi.org/10.1063/1.119321
Abstract
Integrated intracavity quasi-phase-matched second harmonic generation (QPM-SHG) has been demonstrated in a periodically domain inverted Nd:LiTaO 3 crystal which functions simultaneously as a gain and nonlinear medium. Lasing at 1.082 μm and simultaneous QPM-SHG at 541 nm has been established by pumping near 806 nm. The effect of doping on the domain reversal voltage of LiTaO 3 and the photorefractive effect have also been investigated. It is found that optical damage can be avoided by heating above 80 °C.Keywords
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