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Optical spin manipulation of electrically pumped vertical-cavity surface-emitting lasers
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10.1063/1.2839381
/content/aip/journal/apl/92/4/10.1063/1.2839381
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/4/10.1063/1.2839381
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Output polarization degrees of (a) sample 1 and (b) sample 2 at a fixed left circular polarized optical excitation of (a) and (b) . The total (black squares), circular (green circles), and the fraction of both (red asterisks) polarization degrees are measured at different unpolarized pumping currents of the laser diodes. The insets show the corresponding optical intensity vs pump current characteristics.

Image of FIG. 2.
FIG. 2.

Output polarization as function of optical pumping polarization for (a) sample 1 and (b) sample 2. (a) Fixed electrical current of and optical excitation at . (b) Fixed electrical current of and optical excitation at . The output polarization (red asterisks) follows the optical excitation (black squares). The fact that the degree of output polarization is higher than the maximum electron spin polarization degree in the active region (green circles, from theoretical estimations) indicates spin amplification.

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/content/aip/journal/apl/92/4/10.1063/1.2839381
2008-01-31
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical spin manipulation of electrically pumped vertical-cavity surface-emitting lasers
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/4/10.1063/1.2839381
10.1063/1.2839381
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