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Gain and noise of high-performance long wavelength superlattice infrared detectors
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10.1063/1.3357429
/content/aip/journal/apl/96/11/10.1063/1.3357429
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/11/10.1063/1.3357429
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Energy band diagram of the two SL detector structures: sample A (bottom) and sample B (top) used in this study.

Image of FIG. 2.
FIG. 2.

The electrical gain, , vs the applied bias, , for sample A (bottom) and sample B (top) at various temperatures as indicated in the graph.

Image of FIG. 3.
FIG. 3.

The current noise, , vs frequency of the devices d1 and d2 (both from sample A) at several applied bias voltages as indicated on the graph. The roll-off of the noise amplitude at frequencies above 5 kHz is attributed to the upper limit of current amplifier bandwidth.

Image of FIG. 4.
FIG. 4.

The noise, , of device d1 at and of device d2 at . Inset: the noise gain, , vs detector bias for devices d1 and d2 at .

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/content/aip/journal/apl/96/11/10.1063/1.3357429
2010-03-15
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Gain and noise of high-performance long wavelength superlattice infrared detectors
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/11/10.1063/1.3357429
10.1063/1.3357429
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