Spin transport of excitons
- Leonard, J.R.
- Kuznetsova, Y.Y.
- Yang, Sen
- Butov, L.V.
- Ostatnicky, T.
- Kavokin, A.
- Gossard, A.C.
Publication date
September 2009
DOI Publisher
American Chemical Society (ACS) Language
EnglishAbstract
We report on observation of the spin transport of spatially indirect excitons in GaAs/AlGaAs coupled quantum wells (CQW). Exciton spin transport over substantial distances, up to several micrometers in the present work, is achieved due to orders of magnitude enhancement of the exciton spin relaxation time in CQW with respect to conventional quantum wells
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