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Extraction of non-radiative and carrier leakage losses in GaInP lasers through comparison of experimental and theoretical optical properties

Smowton, Peter Michael ORCID: https://orcid.org/0000-0002-9105-4842, Lewis, Gareth Michael, Blood, Peter, Chow, W. W. and Koch, S. W. 2000. Extraction of non-radiative and carrier leakage losses in GaInP lasers through comparison of experimental and theoretical optical properties. Presented at: 2000 IEEE 17th International Semiconductor Laser Conference, Monterey, CA, USA, 25 - 28 September 2000. 2000 IEEE 17th International Semiconductor Laser Conference, 2000: Conference Digest. Los Alamitos, CA: IEEE, pp. 121-122. 10.1109/ISLC.2000.882318

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Abstract

GaInP quantum well lasers are important for applications such as DVD and photodynamic therapy. The performance of these lasers remains limited by non-radiative and carrier-leakage losses and to design fully optimised devices it is necessary to describe these losses accurately. The paper provides a quantitative analysis of these non-radiative losses through detailed comparison of experimental gain and spontaneous emission spectra with a verified theoretical model. We find that, even in the absence of carrier leakage, there is a substantial contribution to the room temperature threshold current from non-radiative recombination within the wells themselves.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: IEEE
ISBN: 0780362594
Last Modified: 20 Oct 2022 09:11
URI: https://orca.cardiff.ac.uk/id/eprint/30925

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