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Exciton Storage in Semiconductor Self-Assembled Quantum Dots

โœ Scribed by Lundstrom, T.


Book ID
111672840
Publisher
American Association for the Advancement of Science
Year
1999
Tongue
English
Weight
215 KB
Volume
286
Category
Article
ISSN
0036-8075

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Long coherence times in self-assembled s
โœ D. Birkedal; K. Leosson; J.M. Hvam ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 185 KB

We report measurements of ultra-long coherence in self-assembled quantum dots. Transient four-wave mixing experiments at 5 K show an average dephasing time of 372 ps, corresponding to a homogeneous linewidth of 3.5 ยตeV, which is significantly smaller than the linewidth observed in single-dot lumines