2 May 1997 Stable CW-operating waveguide lasers at room temperature in rare-earth-diffused lithium niobate
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Abstract
A means of reproducibly fabricating stable cw channel waveguide lasers in rare-earth-doped Ti:LiNbO3 is demonstrated, through careful choice of the light propagation direction. Z-propagating waveguides have been fabricated in Nd:Ti:LiNbO3 and room-temperature cw laser operation has been obtained by pumping in the 800 nm-band, with greatly reduced photorefractive instability. The reduced photorefractive damage susceptibility in this waveguide configuration has been used to our advantage in the realization, for the first time, of a 980 nm-pumped laser in Er:Ti:LiNbO3. The device showed a lasing threshold of 10.5 mW of absorbed pump power and a slope efficiency of 8.5 percent.
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Jaymin Amin, Jaymin Amin, J. Andrew Aust, J. Andrew Aust, Norman A. Sanford, Norman A. Sanford, } "Stable CW-operating waveguide lasers at room temperature in rare-earth-diffused lithium niobate", Proc. SPIE 2996, Rare-Earth-Doped Devices, (2 May 1997); doi: 10.1117/12.271156; https://doi.org/10.1117/12.271156
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