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Time-resolved studies of a rolled-up semiconductor microtube laser
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10.1063/1.3271176
/content/aip/journal/apl/95/22/10.1063/1.3271176
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3271176
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Scanning electron micrograph of a microtube and its U-shaped mesa (dashed lines). (b) Unscaled sketch of the freestanding part of the tube.

Image of FIG. 2.
FIG. 2.

Excitation power dependent measurements of the microtube in Fig. 1. (a) Time evolution of the emitted PL light. (b) PL spectra. (c) Time-integrated PL intensity and delay time between pump pulse and PL emission. (d) Wavelength of the lasing mode in the time-integrated spectra.

Image of FIG. 3.
FIG. 3.

(a) False-color images by the streak camera for different excitation powers. [(b)–(d)] Time evolution of the amplitude, wavelength, and width of the lasing mode obtained by Gaussian fits at all times in (a). [(e)–(g)] Results for the time evolution of the photon density (e) and the charge carrier density (f) for three pump rates marked in the pump rate dependent photon density in (g), calculated by rate equations.

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/content/aip/journal/apl/95/22/10.1063/1.3271176
2009-12-04
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Time-resolved studies of a rolled-up semiconductor microtube laser
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3271176
10.1063/1.3271176
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