In this paper, we theoretically investigate the dual-wavelength periodically poled KTP optical parametric oscillator (PPKTP-OPO) operating near degeneracy. According to calculation, the dual-wavelength operation can be achieved by quasi-phase matching with a periodically poled structure. The tunable property of the grating period of the PPKTP crystal with temperature tuning determines that, quasi-CW or continuous tunable THz-wave generation can be achieved by difference frequency generation using a dual-wavelength PPKTP-OPO. Compared with a bulk KTP-OPO operating near degeneracy in theory, the gain property of PPKTP OPO is in better performance, contributing to a higher output power of THz generation.


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    Title :

    Theoretical Study of Dual-wavelength PPKTP-OPO as a Source of DFG THz-wave


    Contributors:
    Wang, Zhuo (author) / Sun, Bo (author) / Wang, Yuye (author) / Zhang, Baigang (author) / Yu, Yizhong (author) / Xu, Degang (author) / Liu, Huan (author) / Wng, Peng (author) / Yao, Jianquan (author)


    Publication date :

    2006-09-01


    Size :

    1087125 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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