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Current-induced heating in quantum well and quantum wire intersubband emitter structures
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10.1063/1.2805813
/content/aip/journal/apl/91/20/10.1063/1.2805813
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/20/10.1063/1.2805813
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

characteristics of a conventional QCL structure by Kruck et al., a first growth heterostructure (1st growth) and two differently doped quantum wire intersubband emitter structures. Note that the samples have different sizes as stated above.

Image of FIG. 2.
FIG. 2.

(a) Electroluminescence spectra of the first growth heterostructure for different driving currents at a duty cycle of 31.6% and a heat sink temperature of . (b) Maximum intensity and transition energy of the transition in dependence of the driving current.

Image of FIG. 3.
FIG. 3.

Electroluminescence spectra of a quantum wire intersubband emitter structure for different driving currents at a duty cycle of and a heat sink temperature of . The inset shows the maximum intensity of the corresponding transitions as a function of duty cycle.

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/content/aip/journal/apl/91/20/10.1063/1.2805813
2007-11-13
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Current-induced heating in quantum well and quantum wire intersubband emitter structures
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/20/10.1063/1.2805813
10.1063/1.2805813
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