Electrically pumped terahertz quantum well sources

Jerome Faist

doi:10.1117/12.361019

9 September 1999 Electrically pumped terahertz quantum well sources

Jerome Faist

Author Affiliations +

Proceedings Volume 3828, Terahertz Spectroscopy and Applications II; (1999) https://doi.org/10.1117/12.361019
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany

Abstract

Far-IR electroluminescence is investigated in quantum cascade structures. Narrow luminescence peak with a full- width at half maximum of 0.7 meV are measured at low excitation currents and low temperature. The temperature dependence of the luminescence efficiency is studied systematically up to 120K, showing the interplay between electron-electron and optical phonon emission. Electroluminescence is also studied in a structure based on a diagonal transition and compared with the magnetotransport data. Wider luminescence peaks and intrinsic instabilities are observed.

Citation Download Citation

Jerome Faist "Electrically pumped terahertz quantum well sources", Proc. SPIE 3828, Terahertz Spectroscopy and Applications II, (9 September 1999); https://doi.org/10.1117/12.361019

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