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Temperature dependent optical properties of single, hierarchically self-assembled GaAs/AlGaAs quantum dots

<p>Abstract</p><p>We report on the experimental observation of bright photoluminescence emission at room temperature from single unstrained GaAs quantum dots (QDs). The linewidth of a single-QD ground-state emission (&#8776; 8.5 meV) is comparable to the ensemble inhomogeneous broadening (&#8776; 12...

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Principais autores: Ulrich SM, Michler P, Benyoucef M, Rastelli A, Schmidt OG
Format: Artigo
Sprog:Inglês
Udgivet: SpringerOpen 2006-01-01
Serier:Nanoscale Research Letters
Fag:
GaAs quantum dots
Hierarchical selfassembly
Single dot spectroscopy
Room temperature luminescence
Photon correlation
42.50.Ar
78.55.Cr
78.67.Hc
Online adgang:http://dx.doi.org/10.1007/s11671-006-9019-3
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