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Enhanced excitonic optical nonlinearity and exciton dynamics in semiconductor microstructures

✍ Scribed by T. Takagahara


Book ID
118362489
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
453 KB
Volume
196
Category
Article
ISSN
0039-6028

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Femtosecond nonlinear optical dynamics o
✍ Kaoru Minoshima; Makoto Taiji; Kazuhiko Misawa; Takayoshi Kobayashi πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 523 KB

Time-resolved difference absorption spectra of J-aggregates were measured by femtosecond pump-probe spectroscopy. The induced absorption near the J-band at 20 K was assigned to the transitions from n-exciton states to ( n + 1 )-exciton states (n 2 1) . The decay time of the n( > 2)-exciton states is