Continuously tunable coherent terahertz-wave generation from 0.1 to 2.7 THz can be achieved in isotropic semiconductor nonlinear crystals by difference frequency mixing. We experimentally demonstrated a high-power, narrow-linewidth, angle-tuned pulsed dual-wavelength KTP-OPO operating near the degenerate point, which was used as the pump source for terahertz-wave generation. We theoretically studied the feasibility of the cross-Reststrahlen band dispersion compensation phase matching in the collinear optical mixing technique in this process. A theoretical analysis of perfect phase-matching conditions and coherence length for the ZnTe crystal was presented, according to its optical dispersion property.


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    Title :

    Study of Tunable Terahertz-Wave Generation in Isotropic Semiconductor Crystals Based on Dual-Wavelength KTP-OPO Operating near Degenerate Point


    Contributors:
    Sun, B. (author) / Yao, J. Q. (author) / Wang, Z. (author) / Zhao, P. (author) / Lu, Y. (author) / Liu, H. (author) / Xu, D. G. (author)


    Publication date :

    2006-09-01


    Size :

    1169662 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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