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  • 1990-1994  (1)
  • 1991  (1)
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  • 1990-1994  (1)
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    Electronic Resource
    Electronic Resource
    Post-growth tailoring of the optical properties of GaAs/AlGaAs quantum well structures (1991)
    Springer
    Optical and quantum electronics 23 (1991), S. S915 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract In this paper we describe a method for performing post-growth bandgap engineering in the GaAs/AlGaAs quantum well system. The method used is impurity-free vacancy diffusion. Using both single and multiple quantum well data we show that this allows blue shifts in the optical properties, while retaining both their distinctive excitonic and electrical characteristics. The electrical response is modelled and no comparative degradation of the quantum confined Stark effect is predicted, and this is confirmed experimentally. Possible applications of this technique are mentioned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00624981
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