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Mid-IR stimulated emission in Hg(Cd)Te/CdHgTe quantum well structures up to 200 K due to suppressed Auger recombination

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Authors: V V Utochkin, K E Kudryavtsev, M A Fadeev, A A Razova, D S Bykov, V Ya Aleshkin, A A Dubinov, N N Mikhailov, S A Dvoretsky, V V Rumyantsev, V I Gavrilenko, S V Morozov

Year

2020

Paper ID

5304

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

114

Citations

11

Abstract

Abstract We study the temperature stability of stimulated emission (SE) in HgCdTe/CdHgTe quantum well (QW) heterostructures emitting in the mid-infrared range at wavelengths 7–13 μ m. For a series of samples with different band gap energies, maximum operating temperatures at which SE could be achieved are shown to follow closely the characteristic Auger threshold energies derived from the band spectra of the respective QWs. We demonstrate that realization of binary HgTe QWs should provide at least twofold increase in Auger threshold energy compared to the QWs studied (10% Cd content HgCdTe). Thus, one can expect further suppression of non-radiative Auger processes and corresponding increase in operating temperature, the effect being stronger for narrow band gap QWs.

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  • Abstract We study the temperature stability of stimulated emission (SE) in HgCdTe/CdHgTe quantum well (QW) heterostructures emitting in the mid-infrared range at wavelengths...

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References & Citation Signals

[1] DOI https://doi.org/10.1088/1555-6611/abd3f5 [2] Publisher https://doi.org/10.1088/1555-6611/abd3f5

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External citation index: OpenAlex citation signal • updated 2026-06-20 10:20:50

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