Optical phenomena connected with intraband carrier transitions in quantum dots and quantum wells
Authors: Vorobjev L.E.1; Danilov S.N.1; Gluhovskoy A.V.1; Zerova V.L.1; Zibik E.A.1; Panevin V.Y.1; Firsov D.A.1; Shalygin V.A.1; Andreev A.D.2; Volovik B.V.2; Zhukov A.E.2; Ledentsov N.N.2; Livshits D.A.2; Ustinov V.M.2; Shernyakov Y.M.2; Tsatsulnikov A.F.2; Weber A.3; Grundmann M.3; Schmidt S.R.4; Seilmeier A.4; Towe E.5; Pal D.5
Source: Nanotechnology, Volume 12, Number 4, 2001 , pp. 462-465(4)
Publisher: Institute of Physics Publishing
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Abstract:
Optical phenomena in the mid-infrared range connected with interlevel and intersubband charge-carrier transitions in quantum dot and quantum well (QW) heterostructures under optical and electrical pumping were investigated. Spectra of interband photoluminescence are also presented. The existence of a metastable level in funnel-shaped QWs is experimentally confirmed. The intersubband transition dynamics in asymmetrical pairs of tunnel-coupled QWs was studied by means of pump-and-probe time-resolved spectroscopy.
This paper was presented at the 3rd Russian Workshop on Nanophotonics, Nizhnii Novgorod, Russia, 26-29 March 2001.
Language: English
Document Type: Miscellaneous
Affiliations: 1: St Petersburg State Technical University, 29 Polytechnicheskaya Street, St Petersburg 195251, Russia 2: A F Ioffe Institute, RAS, 26 Polytechnicheskaya Street, St Petersburg 194021, Russia 3: Institut f?r Experimentelle Physik II, Universit?t Leipzig, D-04103 Leipzig, Germany 4: Institute of Physics, University of Bayreuth, Bayreuth D-95440, Germany 5: Laboratory for Optics and Quantum Electronics, University of Virginia, Charlottesville, VA 22903-2442, USA
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