Period of quantum beats in spin-polarization dynamics in DWELLs is shown to vary systematically with In concentration in the well. Spin-polarization in undoped and modulation-doped DWELLs is found to be very robust at high temperature.
© 2005 Optical Society of America
(160.0160) Materials : Materials
(160.6000) Materials : Semiconductor materials
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
A. Tartakovskii, R. Kolodka, D. Mowbray, M. Fox, M. Skolnick, H. Liu, and M. Hopkinson, "Engineering Spin-Polarization Dynamics in InGaAs Dot-in-a-Well (DWELL) Structures," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JThE128.
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