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High speed pulsed electrical spin injection in spin-light emitting diode
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10.1063/1.3110990
/content/aip/journal/apl/94/14/10.1063/1.3110990
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3110990
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Spin-LED structure. (b) characteristics at 15 K (thick line) and 300 K (thin line). (c) Scheme of the high speed electrical pulse generator. (d) Up: time evolution of electrical pulse measured by a fast sampling oscilloscope in the 2 ns range. Down: rising edge of the EL of a VCSEL measured by the streakscope with a temporal resolution of 25 ps.

Image of FIG. 2.
FIG. 2.

(a) EL spectra at 15 K under an external magnetic field of 0.8 T for (thick line) and (thin line) EL components. Inset (b) same quantities for . Inset (c) bias dependence of the EL polarization degree .

Image of FIG. 3.
FIG. 3.

(a) Right axis: time-resolved EL intensity at of the (thick line) and (thin line) polarized components with an applied bias for . Left axis: time evolution of the EL circular polarization degree (open circles). The dotted line is a guide for the eyes. (b) Right axis: time-resolved EL intensity at of the (thick line) and (thin line) polarized components with an applied bias for . Left axis: time evolution of the EL circular polarization (open circles). Inset: time evolution of the circular polarization degree of the PL at after a 1.5 ps laser pulsed excitation at 1.653 eV (above AlGaAs gap).

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/content/aip/journal/apl/94/14/10.1063/1.3110990
2009-04-10
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High speed pulsed electrical spin injection in spin-light emitting diode
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/14/10.1063/1.3110990
10.1063/1.3110990
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