Recovery time scales in a reversed-biased quantum dot absorber

Viktorov, Evgeny A. and Erneux, Thomas and Mandel, Paul and Piwonski, Tomasz and Madden, Gillian and Pulka, Jaroslaw and Huyet, Guillaume and Houlihan, John (2009) Recovery time scales in a reversed-biased quantum dot absorber. Applied Physics Letters, 94 (26). ISSN 0003-6951

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Abstract

The nonlinear recovery of quantum dot based reverse-biased waveguide absorbers is investigated both experimentally and analytically. We show that the recovery dynamics consists of a fast initial layer followed by a relatively slow decay. The fast recovery stage is completely determined by the intradot properties, while the slow stage depends on the escape from the dot to the wetting layer.

Item Type:	Article
Additional Information:	Funding Information: This study has been supported by Science Foundation Ireland under the Contract No. 07/IN.1/I929, the Tyndall National Access Programme, the INSPIRE programme funded by the Irish Government's Programme for Research in Third Level Institutions, Cycle 4, National Development Plan 2007-2013, and the Institutes of Technology Ireland funding under the Technological Sector Research Strand 1 programme. The authors in Bruxelles acknowledge support of the Fonds National de la Recherche Scientifique (Belgium).
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/3100/3101
Departments or Groups:
Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 23:03
Last Modified:	07 Jun 2023 18:42
URI:	http://repository-testing.wit.ie/id/eprint/3845

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