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Conferences > IQEC > 1998 > QTuG > QTuG4
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1998),
  • paper QTuG4

Coherent excitonic nonlinearity versus inhomogeneous broadening in single quantum wells

W. Langbein, P. Borri, J.M. Hvam, and D. Birkeda

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Abstract

The coherent response of excitons in semiconductor nanostructures, as measured in four-wave mixing (FWM) experiments,1 depends strongly on the inhomogeneous broadening of the exciton transition. We investigate GaAs/ Al0 3Ga0 7as single quantum wells (SQW) of 4 nm to 25 nm well width. Two main mechanisms are found to be important.

© 1998 Optical Society of America

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