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Proceedings Paper

Picosecond scale dynamics of excitons in CdTe-based quantum wells and quantum dots
Author(s): A. Golnik; A. Trajnerowicz; T. Kazimierczuk; P. Kossacki
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Paper Abstract

The pump-probe technique was used to study the reflectance of CdTe based quantum wells. The energy of a pump beam was scanned across excitonic resonances. The observed dynamics for both the energetic position and oscillator strength of excitonic lines is caused by the changes of the population of charge carriers as well as by the spin dependent interactions. The polarization resolved resonance technique was applied to the system of single CdTe - based quantum dots. Observation of linear to circular polarization conversion for pair of the adjacent, anisotropic dots allowed determining the time of excitation transfer between them.

Paper Details

Date Published: 6 February 2009
PDF: 9 pages
Proc. SPIE 7214, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIII, 721414 (6 February 2009); doi: 10.1117/12.809206
Show Author Affiliations
A. Golnik, Univ. of Warsaw (Poland)
A. Trajnerowicz, Univ. of Warsaw (Poland)
T. Kazimierczuk, Univ. of Warsaw (Poland)
P. Kossacki, Univ. of Warsaw (Poland)

Published in SPIE Proceedings Vol. 7214:
Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIII
Kong-Thon Tsen; Jin-Joo Song; Markus Betz; Abdulhakem Y. Elezzabi, Editor(s)

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