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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, 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: 04 Jun 2017 04:01
URI: http://orca.cf.ac.uk/id/eprint/30925

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