Optical Studies of Symmetry and Spin Relaxation in II-VI Self-Assembled Quantum Dots

K.P. Hewaparakrama; S. Mackowski; H.E. Jackson; L.M. Smith; M. Dobrowolska; J.K. Furdyna; G. Karczewski

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
Technical Digest (Optica Publishing Group, 2003),
paper QThA1

Optical Studies of Symmetry and Spin Relaxation in II-VI Self-Assembled Quantum Dots

K.P. Hewaparakrama, S. Mackowski, H.E. Jackson, L.M. Smith, M. Dobrowolska, J.K. Furdyna, and G. Karczewski

Quantum Electronics and Laser Science Conference 2003

Baltimore, Maryland United States
1–6 June 2003
ISBN: 1-55752-733-4

From the session
Nano-optics in II-VI Materials and Microcavities (QThA)

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K. P. Hewaparakrama, S. Mackowski, H. E. Jackson, L. M. Smith, M. Dobrowolska, J. K. Furdyna, and G. Karczewski, "Optical Studies of Symmetry and Spin Relaxation in II-VI Self-Assembled Quantum Dots," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Technical Digest (Optica Publishing Group, 2003), paper QThA1.

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Abstract

The excitonic structure in quantum dots is studied by polarization-resolved spectroscopy. For symmetric dots magneto-PL measurements show that the spin-relaxation time depends on the splitting of the exciton spin states. At magnetic field spin polarization is conserved within the timescale of exciton recombination.

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