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Magnetoexcitons in near-surface symmetric and asymmetric double quantum wells: Optical properties
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10.1063/1.2783776
/content/aip/journal/jap/102/6/10.1063/1.2783776
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/6/10.1063/1.2783776
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The conduction and valence band edges as functions of -coordinate for the DQW. The applied magnetic field is oriented along the growth direction.

Image of FIG. 2.
FIG. 2.

Evolution of magnetoexcitonic reflectivity spectra for a bulk symmetric DQW (at ) as the interwell barrier thickness is varied. Other parameters used are , and . The resonances in the spectra are referred to at the bottom of each curve. The vertical axis indicates the value of at which the spectra were calculated.

Image of FIG. 3.
FIG. 3.

Evolution of magnetoexcitonic reflectivity spectra for a near-surface symmetric DQW (at ) as the interwell barrier thickness is varied. Other parameters used are , , and .

Image of FIG. 4.
FIG. 4.

Evolution of the magnetoexcitonic reflectivity (a) and absorption (b) spectra for a bulk symmetric DQW (at ) as the interwell barrier thickness is varied. Other parameters are the same as in Fig. 2.

Image of FIG. 5.
FIG. 5.

Evolution of the magnetoexcitonic reflectivity (a) and absorption (b) spectra for a near-surface symmetric DQW (at ) as the interwell barrier thickness is varied. Other parameters are the same as in Fig. 3.

Image of FIG. 6.
FIG. 6.

Magnetoexcitonic reflectivity at for symmetric (asymmetric) near-surface DQWs [thin (thick) line in panel (a)] and symmetric (asymmetric) bulk DQWs [thin (thick) line in panel (b)]. For the symmetric DQWs we have used , , . For the asymmetric DQWs, and . The curves in panel (a) and (b) were calculated with (50 nm).

Image of FIG. 7.
FIG. 7.

Absorption spectra for the same DQWs as in Fig. 6.

Image of FIG. 8.
FIG. 8.

Magnetoexcitonic reflectivity at for symmetric (asymmetric) near-surface DQWs [thin (thick) line in panel (a)] and symmetric (asymmetric) bulk DQWs [thin (thick) line in panel (b)]. For the symmetric DQWs we have used , , . For the asymmetric DQWs: and . The curves in panels (a) and (b) were calculated with (50 nm).

Image of FIG. 9.
FIG. 9.

Absorption spectra for the same DQWs as in Fig. 8.

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/content/aip/journal/jap/102/6/10.1063/1.2783776
2007-09-28
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetoexcitons in near-surface symmetric and asymmetric double quantum wells: Optical properties
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/6/10.1063/1.2783776
10.1063/1.2783776
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