The fast recovery dynamics of a quantum dot semiconductor optical amplifier

Thomas Erneux; Evgeny A. Viktorov; Paul Mandel; Tomasz Piwonski; Guillaume Huyet; John Houlihan

doi:10.1063/1.3098361

The fast recovery dynamics of a quantum dot semiconductor optical amplifier

Thomas Erneux, Evgeny A. Viktorov, Paul Mandel, Tomasz Piwonski, Guillaume Huyet, John Houlihan

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We consider a rate equation model of a quantum dot semiconductor optical amplifier that takes into account carrier capture, escape, and Pauli blocking processes. We evaluate possible differences between phonon-assisted or Auger processes being dominant for recovery. An analytical solution which corresponds to phonon-assisted interaction is then used to accurately fit experimental recovery curves and allows an estimation of both the carrier capture and escape rates.

Original language	English
Article number	113501
Pages (from-to)	113501
Journal	Applied Physics Letters
Volume	94
Issue number	11
DOIs	https://doi.org/10.1063/1.3098361 https://doi.org/doi:10.1063/1.3098361
Publication status	Published - 2009

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author = "Thomas Erneux and Viktorov, {Evgeny A.} and Paul Mandel and Tomasz Piwonski and Guillaume Huyet and John Houlihan",

note = "Funding Information: The authors acknowledge support of the Fonds National de la Recherche Scientifique (Belgium), Science Foundation Ireland (SFI) under Contract No. 07/IN.1/1929, the Tyndall National Access Programme and the Irish Higher Education Authority under the PRTLI program.",

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AU - Houlihan, John

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AB - We consider a rate equation model of a quantum dot semiconductor optical amplifier that takes into account carrier capture, escape, and Pauli blocking processes. We evaluate possible differences between phonon-assisted or Auger processes being dominant for recovery. An analytical solution which corresponds to phonon-assisted interaction is then used to accurately fit experimental recovery curves and allows an estimation of both the carrier capture and escape rates.

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The fast recovery dynamics of a quantum dot semiconductor optical amplifier

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