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Midinfrared intraband electroluminescence from AlInAs quantum dots

Ulbrich, N. and Bauer, J. and Scarpa, G. and Boy, R. and Schuh, Dieter and Abstreiter, Gerhard and Schmult, Stefan and Wegscheider, Werner (2003) Midinfrared intraband electroluminescence from AlInAs quantum dots. Applied Physics Letters 83 (8), pp. 1530-1532.

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Midinfrared electroluminescence from a cascade of coupled AlInAs quantum dots and GaAs quantum wells at low temperature (80 K) is demonstrated. At low injection currents, the spectra show a clear peak at 158 meV with a luminescence width of 15 meV which is associated with transitions from the s shells of a resonant subensemble of quantum dots. A Stark shift to 143 meV and spectral broadening is ...


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Item Type:Article
Date:25 August 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
Related URLs:
78.67.Hc; 78.60.Fi; 42.55.Px; 78.20.Jq; 73.21.LaPACS
Keywords: aluminium compounds, semiconductor quantum dots, electroluminescence, indium compounds, III-V semiconductors, Stark effect, spectral line broadening, population inversion, quantum dot lasers, quantum cascade lasers
Subjects:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:14 Dec 2009 13:18
Last Modified:13 Mar 2014 12:17
Item ID:11350
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