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Evidence for long-living charge carriers in electrically biased low-temperature-grown GaAs photoconductive switches
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10.1063/1.2436719
/content/aip/journal/apl/90/5/10.1063/1.2436719
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2436719
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Normalized peak amplitude of the terahertz transients as a function of the power of the cw background illumination. The average power of the pulsed beam was kept constant at . Inset: terahertz transients obtained at an applied bias of , both with and without background illumination.

Image of FIG. 2.
FIG. 2.

Peak amplitude of the terahertz pulses as a function of time delay between the two pump pulses (peak amplitude meaning the terahertz signal at the time-delay-zero position of the electro-optical detection unit). Upper panel: data of device PC1 for different values of (gray curve: ). Lower panel: A trace of PC2 for with a graphical illustration of the two quantities and . Note the different time scales of the upper and lower panels. Inset: and extracted from the data of PC1 as a function of the total incident optical power.

Image of FIG. 3.
FIG. 3.

Descreening time vs total incident optical power. Inset: of the upper panel of Fig. 2 vs photocurrent .

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/content/aip/journal/apl/90/5/10.1063/1.2436719
2007-01-29
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evidence for long-living charge carriers in electrically biased low-temperature-grown GaAs photoconductive switches
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2436719
10.1063/1.2436719
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