Coherent versus incoherent dynamics in InAs quantum-dot active wave guides

Borri, Paola ORCID: https://orcid.org/0000-0002-7873-3314, Langbein, Wolfgang Werner ORCID: https://orcid.org/0000-0001-9786-1023, Hvam, J. M., Heinrichsdorff, F., Mao, M. -H. and Bimberg, D. 2001. Coherent versus incoherent dynamics in InAs quantum-dot active wave guides. Journal of Applied Physics 89 (11) , pp. 6542-6544. 10.1063/1.1367410

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Abstract

Coherent dynamics measured by time-resolvedfour-wave mixing is compared to incoherent population dynamicsmeasured by differential transmission spectroscopy on the ground-state transition at room temperature of two types of InAs-based quantum dots with different confinement energies. The measurements are performed with heterodyne detection on quantum-dot active wave guides to enhance the light–matter interaction length. An elastic nature of the measured dephasing is revealed which is independent of the dot energy level scheme.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	American Institute of Physics
ISSN:	0021-8979
Last Modified:	25 Oct 2022 09:44
URI:	https://orca.cardiff.ac.uk/id/eprint/59804

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