Second-harmonic generation to green using ultrafast fibre source and femtosecond written periodically poled waveguide
Second-harmonic generation to green using ultrafast fibre source and femtosecond written periodically poled waveguide
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使用超快光纤源和飞秒写入周期性极化波导产生绿色二次谐波
DOI:
10.1049/el.2010.0969
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发表时间:
2010-09
影响因子:
1.1
通讯作者:
Fuyun Lv
中科院分区:
文献类型:
--
作者:
Shuanggen Zhang;Jianghong Yao;Weiwei Yao;Zhangchao Huang;Fuyun Lv
The rapid fabrication of a periodically poled waveguide in potassium titanyl phosphate crystal using tightly focused femtosecond laser pulses, and utilised for second-harmonic generation to the green by an all positive dispersion ytterbium-fibre laser-amplifier, is demonstrated. A maximum average SHG power of 104.4 mW was measured for the 10 mm-long waveguide under optimal singlemode propagation. A conversion efficiency of 47.4% can be achieved.
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