The differential efficiency of quantum well lasers

Smowton, Peter Michael ORCID: https://orcid.org/0000-0002-9105-4842 and Blood, Peter 1996. The differential efficiency of quantum well lasers. Presented at: 15th IEEE International Semiconductor Laser Conference, Haifa, Israel, 13-18 October 1996. 15th IEEE International Semiconductor Laser Conference, 1996. Los Alamitos, CA: IEEE, pp. 51-52. 10.1109/ISLC.1996.553743

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Abstract

Using experimental measurements of spontaneous emission spectra, we have identified the components which determine the external differential injection efficiency of laser diodes. We have shown that, even though the emission from the n=l transition pins at threshold, there are contributions to /spl eta//sub o//sup d/ above threshold from both the stripe efficiency /spl eta//sub s//sup d/ and the injection efficiency /spl eta//sub i//sup d/, the latter being due to the absence of pinning outside the well.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	IEEE
ISBN:	078033163X
Last Modified:	20 Oct 2022 09:10
URI:	https://orca.cardiff.ac.uk/id/eprint/30885

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