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Voltage-tunable two-color quantum-dot infrared photodetectors
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10.1063/1.3236543
/content/aip/journal/apl/95/12/10.1063/1.3236543
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/12/10.1063/1.3236543

Figures

Image of FIG. 1.
FIG. 1.

The 10 K spectral responses of devices (a) A and (b) B at ±2.0 V.

Image of FIG. 2.
FIG. 2.

(a) The normalized 10 K spectral responses of device C at ±2.6 V and (b) the 10 K spectral responses of device C at −0.4, −0.8, and −1.2 V.

Image of FIG. 3.
FIG. 3.

The schematic band diagrams of device C under positive and negative biases.

Image of FIG. 4.
FIG. 4.

The normalized responsivities of device C under different incident IR light polarizations at ±2.6 V. The insert shows the measurement configuration. The theoretical curve for QW structures derived under the dipole-transition approximation is also shown as a reference.

Tables

Generic image for table
Table I.

The wave structures of the samples A, B, and C.

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/content/aip/journal/apl/95/12/10.1063/1.3236543
2009-09-22
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Voltage-tunable two-color quantum-dot infrared photodetectors
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/12/10.1063/1.3236543
10.1063/1.3236543
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