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An experimental setup for room temperature waveguide spectroscopy of self-assembled quantum dots (Articolo in rivista)
- Type
- Label
- An experimental setup for room temperature waveguide spectroscopy of self-assembled quantum dots (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
Visimberga, G; De Giorgi, M; Passaseo, A; De Vittorio, M (2006)
An experimental setup for room temperature waveguide spectroscopy of self-assembled quantum dots
in Journal of optics. A, Pure and applied optics (Print)
(literal)
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- Visimberga, G; De Giorgi, M; Passaseo, A; De Vittorio, M (literal)
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- ISI Web of Science (WOS) (literal)
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- Distretto Tecnol ISUFI, CNR, INFM, Natl Nanotechnol Lab, I-73100 Lecce, Italy; Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy (literal)
- Titolo
- An experimental setup for room temperature waveguide spectroscopy of self-assembled quantum dots (literal)
- Abstract
- In this work we present the realization of an experimental setup to measure the absorption spectrum of low planar density active media in nanoscale devices. The experimental technique employs in-plane light transmission through a waveguide embedding the active medium. It has been applied to the investigation of the room temperature optical properties of low density self-assembled InGaAs/GaAs quantum dots (QDs), emitting around 1.3 mu m. A detailed analysis of the obtained spectra showed the occurrence of a Stokes shift which after inspection turned out to be related to the thermally activated carrier migration throughout the QD ensemble. (literal)
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