Intradot dynamics of InAs quantum dot based electroabsorbers | Zendy

T. Piwoński | Zendy; Jaroslaw Pulka | Zendy; Gillian Madden | Zendy; G. Huyet | Zendy; J. Houlihan | Zendy; Evgeny A. Viktorov | Zendy; Thomas Erneux | Zendy; Paul Mandel | Zendy

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Intradot dynamics of InAs quantum dot based electroabsorbers

Author(s) -

T. Piwoński,

Jaroslaw Pulka,

Gillian Madden,

G. Huyet,

J. Houlihan,

Evgeny A. Viktorov,

Thomas Erneux,

Paul Mandel

Publication year - 2009

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3106633

Subject(s) - excited state , quantum dot , relaxation (psychology) , dynamics (music) , auger , phonon , population , auger effect , condensed matter physics , physics , atomic physics , molecular physics , optoelectronics , psychology , social psychology , acoustics , demography , sociology

The carrier relaxation and escape dynamics of InAs/GaAs quantum dot waveguide absorbers is studied using heterodyne pump-probe measurements. Under reverse bias conditions, we reveal differences in intradot relaxation dynamics, related to the initial population of the dots' ground or excited states. These differences can be attributed to phonon-assisted or Auger processes being dominant for initially populated ground or excited states, respectively. (C) 2009 American Institute of Physics. (DOI: 10.1063/1.3106633

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