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Simulations of the phonon Bragg switch in GaAs
Authors
P Bucksbaum
RW Lee
+4 more
R Merlin
JMH Sheppard
P Sondhauss
JS Wark
Publication date
1 January 2005
Publisher
Doi
Abstract
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. © 2005 Elsevier Ltd. All rights reserved
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Lund University Publications
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Last time updated on 18/06/2017
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Oxford University Research Archive
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Last time updated on 30/09/2015