We demonstrate a new excitation technique which dramatically improves the power and efficiency of photoconductive THz sources. Using an extended line excitation we mitigate screening effects reaching an average THz power of 8 /spl mu/W at /spl sim/ 27 mW average optical power.


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    Title :

    High efficiency terahertz photoconducting sources by use of spatially shaped excitation


    Contributors:
    Kim, J.H. (author) / Polley, A. (author) / Ralph, S.E. (author)


    Publication date :

    2004-01-01


    Size :

    106553 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    High Efficiency Terahertz Photoconducting Sources by use of Spatially Shaped Excitation

    Lasers and Electro-optics Society (Institute of Electrical and Electronics Engineers) | British Library Conference Proceedings | 2004



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    Efficient Photoconductive THz Source with Spatially Shaped Excitation

    Polley, A. | British Library Conference Proceedings | 2005


    Efficient photoconductive THz source with spatially shaped excitation

    Polley, A. / Kim, J.H. / Ralph, S.E. | IEEE | 2005