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Observation of circular dichroism in (001)-oriented P-I-N InGaAs/GaAs quantum wells without magnetic field
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10.1063/1.4793211
/content/aip/journal/apl/102/7/10.1063/1.4793211
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793211
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagrams describing the origin of the photocurrent (a) induced by the CPGE in the y direction of the k space and (b) the spin photocurrent in the P-I-N structure when there exists spin splitting in kz direction.

Image of FIG. 2.
FIG. 2.

(a) The schematic diagram of the experiment geometry. The spectra of (b) the common photocurrent I 0 and (d) the CD effect ICD of the photocurrent under different DC current IDC injected along [001] direction in P-I-N structure In0.15Ga0.85As/GaAs QWs. The lines in (d) are shifted vertically for clarity. (c) The magnitude of circular polarization rate corresponding to 1HH-1E as a function of the injected current. The solid line is the linear fit of the experimental data.

Image of FIG. 3.
FIG. 3.

(a) The schematic diagram of theexperiment geometry. The circle in the sample indicates the aperture of the VCSEL. The spectra of (b) the common photocurrent I 0 and (d) the CD signal ICD under different DC current IDC injected along [001] direction in a P-I-N structure In0.18Ga0.82As/GaAs VCSEL. The lines in (d) and (b) are shifted vertically for clarity. (c) The magnitude of circular polarization rate corresponding to 1HH-1 E modulated by the DBRs as a function of the injected current. The solid line is the linear fit of the experimental data.

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/content/aip/journal/apl/102/7/10.1063/1.4793211
2013-02-20
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of circular dichroism in (001)-oriented P-I-N InGaAs/GaAs quantum wells without magnetic field
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/7/10.1063/1.4793211
10.1063/1.4793211
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