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Published on: November 22, 2019
Continuous wave channel waveguide lasers in Nd:LuVO4 fabricated by direct femtosecond laser writing
Yingying Ren1, Ningning Dong, John Macdonald
1School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China.
Abstract:
Buried channel waveguides in Nd:LuVO<4 were fabricated by femtosecond laser writing with the double-line technique. The photoluminescence properties of the bulk materials were found to be well preserved within the waveguide core region. Continuous-wave laser oscillation at 1066.4 nm was observed from the waveguide under ~809 nm optical excitation, with the absorbed pump power at threshold and laser slope efficiency of 98 mW and 14%, respectively.
