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Optimized optical generation and detection of superlattice acoustic phonons
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10.1063/1.3097244
/content/aip/journal/apl/94/10/10.1063/1.3097244
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/10/10.1063/1.3097244
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Dispersion relation for an infinite SL. The circles (squares) indicate the modes that are generated (detected) in a pump-probe experiment. The left panel shows the calculated generation (full line) and detection (dotted line) responses for a finite 20 period SL. (b) Scheme of the matching between generation and detection by means of two SLs of different periods.

Image of FIG. 2.
FIG. 2.

FT of the experimental signals for the configurations depicted in the inset of each panel. The spectrum labeled “Unif.” was taken on the uniform SL. The dashed (dotted) lines follow the modes of maximum generation (detection) efficiency. In (b) the FTs were calculated for .

Image of FIG. 3.
FIG. 3.

Time traces corresponding to the configuration shown in Fig. 2(b) .

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/content/aip/journal/apl/94/10/10.1063/1.3097244
2009-03-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optimized optical generation and detection of superlattice acoustic phonons
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/10/10.1063/1.3097244
10.1063/1.3097244
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