Improved thermal performance of VCSELs on germanium substrates

Baker, J., Allford, C. P. ORCID: https://orcid.org/0000-0002-3798-9014, Gillgrass, S., Davies, J. I., Shutts, S. ORCID: https://orcid.org/0000-0001-6751-7790 and Smowton, P. M. ORCID: https://orcid.org/0000-0002-9105-4842 2024. Improved thermal performance of VCSELs on germanium substrates. Presented at: IEEE 29th International Semiconductor Laser Conference (ISLC), Orlando, FL, USA, 29 September - 02 October 2024. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). IEEE, pp. 1-2. 10.1109/islc57752.2024.10717337

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Abstract

VCSEL thermal resistances are determined from power-current-voltage-wavelength measurements performed on nominally identical epitaxial structures grown on Ge and GaAs substrates. It is shown, for the first time, that an improved thermal performance can be achieved through growth on Ge.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Schools > Physics and Astronomy
Publisher:	IEEE
ISBN:	979-8-3503-7299-1
Date of First Compliant Deposit:	27 January 2025
Date of Acceptance:	1 October 2024
Last Modified:	18 Feb 2025 10:00
URI:	https://orca.cardiff.ac.uk/id/eprint/173645

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