Spatiotemporal pulse shaping is used to transform a single femtosecond excitation pulse into a spatially and temporally tailored output which may take the form of many separate beams, each of which has an independently specified time-dependent waveform. Through impulsive stimulated Raman scattering, the separate beams and pulses excite coherent phonon-polaritons and manipulate them as they propagate within the crystalline sample at light-like speeds. Variably delayed probe pulses are expanded to a large size within the sample and projected onto a CCD camera to record real-space images of the propagating responses. The images are used to guide the spatiotemporal pulse shaping and coherent control processes.


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    Titel :

    Terahertz polaritonics: spatiotemporal imaging, spatiotemporal femtosecond pulse shaping, and spatiotemporal coherent control


    Beteiligte:
    Nelson, K.A. (Autor:in)


    Erscheinungsdatum :

    01.01.2001


    Format / Umfang :

    174694 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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    Wise, F. / DiTrapani, P. | British Library Online Contents | 2002


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    Fonseca, E.J.S. / Cavalcanti, S.B. / Hickmann, J.M. | IEEE | 1995