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Demonstration of Rashba spin splitting in GaN-based heterostructures
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10.1063/1.2158024
/content/aip/journal/apl/87/26/10.1063/1.2158024
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/26/10.1063/1.2158024
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Photocurrent in AlGaN/GaN heterostructure normalized by the radiation power as a function of the phase angle defining helicity. Measurements are presented for room temperature and irradiation by light of -switched laser at the wavelength . The current is measured for direction perpendicular to propagation of light (angle of incidence ). Solid and dashed lines show ordinate scale fits according to Eqs. (2)–(5). Insets show the geometry of the experiment and the temporal structure of the current response for right- and left-circularly polarized radiation.

Image of FIG. 2.
FIG. 2.

Photocurrent in AlGaN/GaN heterostructure normalized by the light power as a function of the angle of incidence for right- and left-handed circularly polarized terahertz radiation measured perpendicular to light propagation (, ). Solid and dashed lines show ordinate scale fits according to Eqs. (2)–(5).

Image of FIG. 3.
FIG. 3.

Spectral dependence of the CPGE current in AlGaN/GaN heterostructure at room temperature. Sketch demonstrates possible optical transitions.

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/content/aip/journal/apl/87/26/10.1063/1.2158024
2005-12-20
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Demonstration of Rashba spin splitting in GaN-based heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/26/10.1063/1.2158024
10.1063/1.2158024
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