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Optical properties of self-assemble InAs quantum dots studies by piezomodulated reflectance spectroscopy

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8 Author(s)
C. Wang ; National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Science, Shanghai 200083, China. ; P. P. Chen ; Z. L. Liu ; C. S. Xia
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We report our investigation on piezoreflectance spectra (PZR) of a conventional InAs quantum dots (CVQD) and an InAs/In0.15Ga0.85As dots-in-a-well (DWELL). A large red-shift of ground state QD0 between two samples is attributed mainly to larger size of DWELL induced by the activated strained-driven decomposition.

Published in:

2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics

Date of Conference:

18-22 Sept. 2006