Mode formation in broad area quantum dot lasers at 1060 nm

Tanguy, Y., Muszalski, J., Houlihan, J., Huyet, G., Pearce, E. J., Smowton, Peter Michael ORCID: https://orcid.org/0000-0002-9105-4842 and Hopkinson, M. 2004. Mode formation in broad area quantum dot lasers at 1060 nm. Optics Communications 235 (4-6) , pp. 387-393. 10.1016/j.optcom.2004.02.048

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Abstract

An analysis of the transverse and longitudinal mode structure of broad area quantum dot lasers emitting at 1060 nm 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 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:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	Transverse mode; Broad-area lasers; Spatio-temporal instabilities; Quantum dots; Semiconductor lasers
Publisher:	Elsevier
ISSN:	0030-4018
Last Modified:	25 Oct 2022 09:39
URI:	https://orca.cardiff.ac.uk/id/eprint/59528

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