Concepedia

Quantum beats of excitons in quantum wells

E. O. Göbel, Karl Leo, T. C. Damen, Jagdeep Shah, S. Schmitt‐Rink, Wilfried Schäfer, J. F. Müller, K. Köhler

Physical Review Letters · 1990 · 223 citations · 14 references

DOI

Concepts

Abstract

We report the observation of quantum beats in the decay of the coherent polarization of intrinsic excitations in GaAs/GaAlAs quantum wells. The beating arises from interference of excitons with slightly different quantum confinement energy due to well width fluctuations.

References

14

Linear and nonlinear optical properties of semiconductor quantum wells

S. Schmitt‐Rink, D. S. Chemla, David A. B. Miller · Advances In Physics · 1989 · 1.1K citations

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