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Electron and hole spin cooling efficiency in InAs quantum dots: The role of nuclear field
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10.1063/1.3394010
/content/aip/journal/apl/96/17/10.1063/1.3394010
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/17/10.1063/1.3394010
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Figures

Image of FIG. 1.
FIG. 1.

Level scheme of a p-doped QD (sample I) containing a single hole in the ground states and a positively charged trion in the excited states, for a Faraday magnetic field (a) and (b) . The pump beam is circularly polarized. (c) Magnetic-field dependence of the PCD signal at negative delay and (dots) and theoretical fit with and for the hole, and and for the electron (solid line). Inset: Experimental PCD signal vs pump-probe delay, for different values of B.

Image of FIG. 2.
FIG. 2.

Level scheme of an n-doped QD (sample II) containing a single electron in the ground states and a negatively charged trion in the excited states, for a Faraday magnetic field (a) and (b) . The pump beam is circularly polarized. (c) Magnetic-field dependence of the PCD signal at negative delay and (dots) and theoretical fit with the same parameters of Fig. 1(c) (solid line). Inset: Experimental PCD signal vs pump-probe delay, for different values of B; the short-time oscillating signal is the contribution of the residual undoped QDs as discussed in Ref. 18.

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/content/aip/journal/apl/96/17/10.1063/1.3394010
2010-04-28
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electron and hole spin cooling efficiency in InAs quantum dots: The role of nuclear field
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/17/10.1063/1.3394010
10.1063/1.3394010
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