Mid-infrared properties of quantum dot lasers

Marius Grundmann; A. Weber; K Goede; F. Heinrichsdorff; Dieter Bimberg; Victor M. Ustinov; Alexey E. Zhukov; Nikolai N. Ledentsov; Petr S. Kop'ev; Zhores I. Alferov

doi:10.1117/12.447117

30 October 2001 Mid-infrared properties of quantum dot lasers

Marius Grundmann, A. Weber, K Goede, F. Heinrichsdorff, Dieter Bimberg, Victor M. Ustinov, Alexey E. Zhukov, Nikolai N. Ledentsov, Petr S. Kop'ev, Zhores I. Alferov

Author Affiliations +

Proceedings Volume 4598, Photonics Technology in the 21st Century; (2001) https://doi.org/10.1117/12.447117
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore

Abstract

Inter-sublevel transitions in InGaAs/AlGaAs quantum dots (QDs) in the mid-infrared (MIR) wavelength range are investigated by means of absorption and optically and electrically pumped emission spectroscopy. Charging dependent energy shifts of inter-sublevel transitions observed in calorimetric absorption spectra are attributed to few-particle effects in the QDs. MIR emission from near-infrared QD lasers is observed in the MIR lasing mode below threshold, which is confirmed by a theoretical modelling of such a bipolar lasing device. In contrast, spontaneous MIR emission is recorded for optically pumped Qds.

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Marius Grundmann, A. Weber, K Goede, F. Heinrichsdorff, Dieter Bimberg, Victor M. Ustinov, Alexey E. Zhukov, Nikolai N. Ledentsov, Petr S. Kop'ev, and Zhores I. Alferov "Mid-infrared properties of quantum dot lasers", Proc. SPIE 4598, Photonics Technology in the 21st Century, (30 October 2001); https://doi.org/10.1117/12.447117

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