Towards polarization insensitive semiconductor optical amplifiers using InAs/GaAs columnar quantum dots
- Ridha, P.
- Li, L.H.
- Fiore, A.
- Patriarche, G.
- Mexis, M.
- Smowton, P.M.
- Andrzejewski, J.
- Sek, G.
- Misiewicz, J.
Publication date
January 2008
DOIAbstract
We report columnar quantum dots (CQDs) with extremely large aspect ratios, showing nearly polarization-insensitive electroluminescence. A systematic experimental and theoretical investigation of their polarization properties as a function of aspect ratio is also reported
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