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Self-assembled semiconductor quantum dots

✍ Scribed by Warburton, Richard J.


Book ID
121461854
Publisher
Taylor and Francis Group
Year
2002
Tongue
English
Weight
659 KB
Volume
43
Category
Article
ISSN
0010-7514

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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