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Опубликовано 1997-00-00 ОрганизацияA.F.Ioffe Physical-Technical Institute, Russian Academy of Sciences, 194021 St.-Petersburg, Russia *&nbsp;Physics Department, Nottingham University, University Park NG7&nbsp;2RD, Nottingham, UK ЖурналЖурнал "Физика Твердого Тела"

Luminescence of Excitons in Slightly Asymmetric Double Quantum Wells

Akimov A.V., Moskalenko E.S., Zhmodikov A.L., Mazurenko D.A., Kaplyanskii A.A., Challis L.J., Cheng T.S., Foxon C.T.

Akimov A.V., Moskalenko E.S., Zhmodikov A.L., Mazurenko D.A., Kaplyanskii A.A., Challis L.J., Cheng T.S., Foxon C.T. Luminescence of Excitons in Slightly Asymmetric Double Quantum Wells // ФТТ, 1997, том 39, выпуск 4, Стр. 735

Аннотация We report the first studies of exciton luminescence spectra from asymmetric double quantum wells (DQWs) of very similar width. The DQWs were of GaAs/AlGaAs and the differences in widths of the coupled wells were one or two monolayers. The coupled direct and indirect exciton states anticross with a resonance splitting of 1.33 meV. An additional luminescence line appearing at low temperatures is identified as a localized indirect exciton.