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Near-field imaging and spectroscopy of localized and delocalized excitons in semiconductor nanostructures

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9 Author(s)
Lienau, C. ; Max-Born-Inst. fur Nichtlineare Optik und Kurzzeitspektroskopie, Berlin, Germany ; Intonti, F. ; Emiliani, V. ; Elasaesser, T.
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We resolve the characteristic emission features of excitons in a single GaAs quantum wire using near-field photoluminescence spectroscopy. We report emission from both localized excitons and quasi-one-dimensional excitons that are delocalized over a length of up to several /spl mu/m.

Published in:

Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on  (Volume:1 )

Date of Conference:

15-19 July 2001