Chinese Optics Letters, 2007, 5 (10): 596, Published Online: Oct. 11, 2007
Frequency doubling with periodically poled KTiOPO4 at the fundamental wave of cesium D2 transition 
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倍频 周期极化KTP 环形腔 190.2620 Harmonic generation and mixing 160.4330 Nonlinear optical materials 190.4360 Nonlinear optics, devices
Abstract
We report the continuous wave (CW) second harmonic generation (SHG) with a periodically poled KTiOPO4 (PPKTP) pumped by a diode laser at 852.356 nm, which is exactly resonant on the cesium D2 transition. An output power of 54.4 mW of blue light at 426 nm was obtained at the pump power of 136.4 mW. The conversion efficiency is about 40%. The best matching temperature is 318.3 K. This CW blue light can be used for atomic physics, especially for the generation of nonclassical light at the transition of cesium atom through optical parametric oscillator (OPO).
Xiaoling Song, Zhigang Li, Pengfei Zhang, Gang Li, Yuchi Zhang, Junmin Wang, Tiancai Zhang. Frequency doubling with periodically poled KTiOPO4 at the fundamental wave of cesium D2 transition[J]. Chinese Optics Letters, 2007, 5(10): 596.
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