학술논문

Internal and external polarization memory loss in single quantum dots
Document Type
Conference
Source
2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on. :1-2 May, 2006
Subject
Photonics and Electrooptics
Components, Circuits, Devices and Systems
Quantum dots
Excitons
Oscillators
Laser excitation
Measurement by laser beam
Numerical models
Laser transitions
(160.6000) Materials, Semiconductors
(300.6470) Spectroscopy, Semiconductors
Language
ISSN
2160-9004
Abstract
We study exciton spin relaxation in single semiconductor quantum dots using non-linear resonant optical control. Experiments reveal two distinct channels for spin relaxation, external and internal, ruling out universal freezing of exciton spin relaxation.