Mode structure of quantum dot semiconductor lasers

Lenstra, Daan, Tanguy, Yann, Muszalski, Jan, Houlihan, John, Huyet, Guillaume, Pearce, Emma J., Smowton, Peter Michael ORCID: https://orcid.org/0000-0002-9105-4842, Hopkinson, Mark, Morthier, Geert, Erneux, Thomas and Pessa, Markus 2004. Mode structure of quantum dot semiconductor lasers. Presented at: SPIE Photonics Europe 2004, Strasbourg, France, 26-30 April 2004. Published in: Lenstra, D., Morthier, G., Erneux, T. and Pessa, M. eds. Semiconductor Lasers and Laser Dynamics, Proceedings of the Conference held at Strasbourg, France, 26 April 2004. SPIE Proceedings , vol.5452 Bellingham, WA: SPIE, p. 518. 10.1117/12.545473

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Abstract

An analysis of the transverse and longitudinal mode structure of broad area quantum dot lasers emitting at 1060nm is presented. In particular, temperature is shown to play an important role in the stabilisation of the transverse mode structure of the devices. In addition, the investigation of the the interaction between these transverse modes, through the measurement of the spatial intensity correlation, shows that the laser retains some modal properties in the unstable regime. Finally, measurements of spectral correlations between longitudinal mode groups display a strong dependency on their respective transverse mode structures indicating the importance of spatial overlap.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	SPIE
ISBN:	9780819453754
ISSN:	0277786X
Last Modified:	25 Oct 2022 09:40
URI:	https://orca.cardiff.ac.uk/id/eprint/59540

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