Two time scales of the electron–hole spin relaxation in InAs/GaAs quantum dots | Zendy

Testelin C. | Zendy; Aubry E. | Zendy; Chaouache M. | Zendy; Maaref M. | Zendy; Bernardot F. | Zendy; Chamarro M. | Zendy; Gérard J.M. | Zendy

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Two time scales of the electron–hole spin relaxation in InAs/GaAs quantum dots

Author(s) -

Testelin C.,

Aubry E.,

Chaouache M.,

Maaref M.,

Bernardot F.,

Chamarro M.,

Gérard J.M.

Publication year - 2006

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200671603

Subject(s) - quantum dot , excited state , relaxation (psychology) , condensed matter physics , electron , spin polarization , spin (aerodynamics) , physics , polarization (electrochemistry) , chemistry , atomic physics , quantum mechanics , psychology , social psychology , thermodynamics

We have performed time‐resolved differential transmission on an ensemble of InAs/GaAs self‐assembled quantum dots. We have calculated the polarization rate decay, on which two time scales in the electron–hole spin relaxation dynamics are observed. A study versus the energy of the interband transition reveals that the fast spin relaxation becomes important when excited and mixed states are involved. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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