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Spin dynamics in a diluted magnetic semiconductor quantum well studied by pump-probe absorption spectroscopy: Magnetic-field-induced suppression of electron-spin relaxation
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10.1063/1.2216111
/content/aip/journal/apl/88/26/10.1063/1.2216111
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/26/10.1063/1.2216111

Figures

Image of FIG. 1.
FIG. 1.

Transient differential absorption spectra with and polarizations in MQW at , with a circularly polarized pump at (a). Saturated absorbances with and polarizations and circular polarization degree as a function of time for the hh-exciton state (b). The solid lines are best-fitted calculations using rate equations. Saturated absorbance with polarization as a function of time for the lh exciton (c).

Image of FIG. 2.
FIG. 2.

Transient differential absorption spectra with and polarizations in MQW at , with a circularly polarized pump at . A linear absorption spectrum (thin line) and PL spectrum (thick line) are also shown above.

Image of FIG. 3.
FIG. 3.

Saturated absorbances with and polarizations as a function of time in MQW at , after a pump of polarized light pulse. The solid lines are best-fitted calculations using rate equations for two spin-split levels of the hh exciton, taking the individual electron- and hh-spin relaxations into account.

Tables

Generic image for table
Table I.

Electron-spin relaxation time in MQW as a function of the magnetic field, in comparison with the spin-splitting energy. Experimental errors for the electron-spin relaxation time are within 20%.

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/content/aip/journal/apl/88/26/10.1063/1.2216111
2006-06-27
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spin dynamics in a diluted magnetic semiconductor quantum well studied by pump-probe absorption spectroscopy: Magnetic-field-induced suppression of electron-spin relaxation
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/26/10.1063/1.2216111
10.1063/1.2216111
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