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Self-Assembled Semiconductor Quantum Dots with Nearly Uniform Sizes

✍ Scribed by Alchalabi, K.; Zimin, D.; Kostorz, G.; Zogg, H.


Book ID
121864416
Publisher
The American Physical Society
Year
2003
Tongue
English
Weight
524 KB
Volume
90
Category
Article
ISSN
0031-9007

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Long coherence times in self-assembled s
✍ D. Birkedal; K. Leosson; J.M. Hvam πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 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 Β΅eV, which is significantly smaller than the linewidth observed in single-dot lumines