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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Forward and backward THz-wave difference frequency generations from a rectangular nonlinear waveguide


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83620


    Title: Forward and backward THz-wave difference frequency generations from a rectangular nonlinear waveguide
    Authors: Y. C. Huang;T. D. Wang;Y. H. Lin;C. H. Lee;M. Y. Chuang;Y. Y. Lin;F. Y. Lin
    教師: 林凡異
    Date: 2011
    Publisher: Optical Society of America
    Relation: OPTICS EXPRESS, Optical Society of America, Volume 19, Issue 24, NOV 21 2011, Pages 24577-24582
    Keywords: TERAHERTZ-WAVE
    LITHIUM-NIOBATE
    Abstract: We report forward and backward THz-wave difference frequency generations at 197 and 469 mu m from a PPLN rectangular crystal rod with an aperture of 0.5 (height in z) x 0.6 (width in y) mm(2) and a length of 25 mm in x. The crystal rod appears as a waveguide for the THz waves but as a bulk material for the optical mixing waves near 1.54 mu m. We measured enhancement factors of 1.6 and 1.8 for the forward and backward THz-wave output powers, respectively, from the rectangular waveguide in comparison with those from a PPLN slab waveguide of the same length, thickness, and domain period under the same pump and signal intensity of 100 MW/cm(2).
    Relation Link: http://www.osa.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83620
    Appears in Collections:[電機工程學系] 期刊論文
    [光電工程研究所] 期刊論文

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