Femtosecond optical parametric oscillator based on periodically poled KTiOPO[sub]4[/sub]

Xiao Ma; Jinrong Tian; Xinping Zhang; Yanrong Song; Li Wang

doi:10.1117/12.869939

16 November 2010 Femtosecond optical parametric oscillator based on periodically poled KTiOPO₄

Xiao Ma, Jinrong Tian, Xinping Zhang, Yanrong Song, Li Wang

Proceedings Volume 7843, High-Power Lasers and Applications V; 78431D (2010) https://doi.org/10.1117/12.869939
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

We describe a synchronously-pumped optical parametric oscillator (OPO) based on periodically poled KTiOPO₄(PPKTP). The OPO was pumped by a self-mode-locked Ti:sapphire laser. Its signal wave covers from 1070 nm to 1375 nm, and could be tuned freely by cavity-length tuning, the corresponding idler wave covering from 1.9 μm to 3.2 μm in the mid-infrared region. Red, green and blue visible light were also generated by intra-cavity sum frequency or frequency doubling. The threshold was measured to be about 250 mW at 810 nm pump. A thin glass substrate was inserted to the cavity for output coupling, and the maximal output power was measured to be 26 mW. We adopted ring cavity and linear cavity experimentally. After optimization, the output characteristics of the ring cavity and linear cavity were investigated respectively. The approach to improve the output efficiency was also discussed.

Citation Download Citation

Xiao Ma, Jinrong Tian, Xinping Zhang, Yanrong Song, and Li Wang "Femtosecond optical parametric oscillator based on periodically poled KTiOPO₄", Proc. SPIE 7843, High-Power Lasers and Applications V, 78431D (16 November 2010); https://doi.org/10.1117/12.869939

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