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Fast exciton spin relaxation in single quantum dots
Exciton spin relaxation is investigated in single epitaxially grown semiconductor quantum dots in order to test the expected spin relaxation quenching in this system. We study the polarization anisotropy of the photoluminescence signal emitted by isolated quantum dots under steady-state or pulsed no...
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Published in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2005-06, Vol.71 (23), p.233304.1-233304.4, Article 233304 |
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Main Authors: | , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Exciton spin relaxation is investigated in single epitaxially grown semiconductor quantum dots in order to test the expected spin relaxation quenching in this system. We study the polarization anisotropy of the photoluminescence signal emitted by isolated quantum dots under steady-state or pulsed nonresonant excitation. We find that the longitudinal exciton spin relaxation time is strikingly short ( |
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ISSN: | 1098-0121 1550-235X |
DOI: | 10.1103/physrevb.71.233304 |