On the modified active region design of interband cascade lasers

M. Motyka; K. Ryczko; M. Dyksik; G. Sęk; J. Misiewicz; R. Weih; M. Dallner; S. Höfling; M. Kamp

doi:10.1063/1.4913391

On the modified active region design of interband cascade lasers

M. Motyka, K. Ryczko, M. Dyksik, G. Sęk, J. Misiewicz, R. Weih, M. Dallner, S. Höfling, M. Kamp

Research output: Contribution to journal › Article › peer-review

Abstract

Type II InAs/GaInSb quantum wells (QWs) grown on GaSb or InAs substrates and designed to be integrated in the active region of interband cascade lasers (ICLs) emitting in the mid infrared have been investigated. Optical spectroscopy, combined with band structure calculations, has been used to probe their electronic properties. A design with multiple InAs QWs has been compared with the more common double W-shaped QW and it has been demonstrated that it allows red shifting the emission wavelength and enhancing the transition oscillator strength. This can be beneficial for the improvements of the ICLs performances, especially when considering their long-wavelength operation.

Original language	English
Article number	084312
Journal	Journal of Applied Physics
Volume	117
Issue number	8
DOIs	https://doi.org/10.1063/1.4913391
Publication status	Published - 28 Feb 2015

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Hofling_2015_JAP_Modified
© 2015 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in: Motyka, M., Ryczko, K., Dyksik, M., Sęk, G., Misiewicz, J., Weih, R., Dallner, M., Höfling, S., & Kamp, M. (2015). On the modified active region design of interband cascade lasers. Journal of Applied Physics, 117(8), and may be found at http://scitation.aip.org/content/aip/journal/apl/106/6/10.1063/1.4909507
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title = "On the modified active region design of interband cascade lasers",

abstract = "Type II InAs/GaInSb quantum wells (QWs) grown on GaSb or InAs substrates and designed to be integrated in the active region of interband cascade lasers (ICLs) emitting in the mid infrared have been investigated. Optical spectroscopy, combined with band structure calculations, has been used to probe their electronic properties. A design with multiple InAs QWs has been compared with the more common double W-shaped QW and it has been demonstrated that it allows red shifting the emission wavelength and enhancing the transition oscillator strength. This can be beneficial for the improvements of the ICLs performances, especially when considering their long-wavelength operation.",

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note = "The work has been supported by Project Widelase (No. 318798) of the 7-th Framework Program of the European Commission. The authors would like to acknowledge the National Science Centre of Poland for support within Grant No. 2011/03/D/ST3/02640. ",

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AU - Motyka, M.

AU - Ryczko, K.

AU - Dyksik, M.

AU - Sęk, G.

AU - Misiewicz, J.

AU - Weih, R.

AU - Dallner, M.

AU - Höfling, S.

AU - Kamp, M.

N1 - The work has been supported by Project Widelase (No. 318798) of the 7-th Framework Program of the European Commission. The authors would like to acknowledge the National Science Centre of Poland for support within Grant No. 2011/03/D/ST3/02640.

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AB - Type II InAs/GaInSb quantum wells (QWs) grown on GaSb or InAs substrates and designed to be integrated in the active region of interband cascade lasers (ICLs) emitting in the mid infrared have been investigated. Optical spectroscopy, combined with band structure calculations, has been used to probe their electronic properties. A design with multiple InAs QWs has been compared with the more common double W-shaped QW and it has been demonstrated that it allows red shifting the emission wavelength and enhancing the transition oscillator strength. This can be beneficial for the improvements of the ICLs performances, especially when considering their long-wavelength operation.

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On the modified active region design of interband cascade lasers

Abstract

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