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Simulations of the phonon Bragg switch in GaAs

Publiceringsår: 2005
Språk: Engelska
Sidor: 181-185
Publikation/Tidskrift/Serie: Solid State Communications
Volym: 136
Nummer: 3
Dokumenttyp: Artikel
Förlag: Elsevier


It has recently been proposed that X-rays can be switched on sub-picosecond time-scales by using laser-generated coherent optical phonons: The so called phonon Bragg switch. We present here detailed simulations of the efficiency of such a switch by solving the time-dependent generalized Takagi-Taupin equations utilizing a perturbative approach. We explore the switching efficiency in diffraction from the (004) planes of GaAs as a function of both excited phonon wave vector and amplitude.



  • Physical Sciences
  • Natural Sciences
  • phonons
  • inelastic light scattering
  • X-ray scattering


  • ISSN: 0038-1098

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