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Conference Paper
International Quantum Electronics Conference
San Francisco, California United States
May 16, 2004
ISBN: 1-55752-770-9
Nano-optics and Nanostructures (IFE)

Spatial diffusion of carriers in a quantum dot system grown by shadow mask controlled epitaxy

Sebastian Mackowski, Tak Gurung, Howard E. Jackson, Leigh M. Smith, Timo Schallenberg, Karl Brunner, and Laurens W. Molenkamp


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We use slit-confocal microscopy to study spatial diffusion of carriers between quantum dot ensembles coupled through a wide wire-like barrier. When exciting carriers above this barrier we observe a carrier diffusion on a microns scale.

© 2004 Optical Society of America

OCIS Codes
(160.0160) Materials : Materials
(160.6000) Materials : Semiconductor materials
(300.0300) Spectroscopy : Spectroscopy
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

S. Mackowski, T. Gurung, H. E. Jackson, L. M. Smith, T. Schallenberg, K. Brunner, and L. W. Molenkamp, "Spatial diffusion of carriers in a quantum dot system grown by shadow mask controlled epitaxy," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper IFE6.

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