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Femtosecond Spectroscopy of Optically Excited Quantum Well Structures

  • D. S. Chemla
Part of the NATO ASI Series book series (NSSB, volume 194)

Abstract

Semiconductor quantum wells (QW) have recently attracted much attention because of their electronic transport and optoelectronic properties[1]. The confinement of photocarriers in layers which thickness, Lz, is smaller than the bulk material Bohr radius, ao, reinforces the excitonic behavior, resulting novel nonlinear[2] and electro-optical properties[3]. In this talk we report recent investigations performed in our group on two topics; The extreme low and high intensity limit studies of AC-Stark Effect and the investigation of the dynamics of excitonic absorption in the infrared band gap InGaAs quantum wells. The first work was performed by W.H. Knox, J.B. Stark, D.S. Chemla, D.A.B. Miller, and S. Schmitt-Rink[4], and the second by M. Wegener, I. Bar Joseph, G. Sucha, M.N. Islam and D.S. Chemla[5].

Keywords

Quantum Well Pump Pulse Excitonic Absorption Exciton Resonance Small Binding Energy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • D. S. Chemla
    • 1
  1. 1.AT&T Bell LaboratoriesHolmdelUSA

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