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Conferences > CLEO > 2003 > CThI > CThI4
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
  • Technical Digest (Optica Publishing Group, 2003),
  • paper CThI4

Linewidth enhancement factor in InGaAs quantum dot amplifiers

S. Schneider, P. Borri, W. Langbein, U. Woggon, R. L. Sellin, D. Ouyang, and D. Bimberg

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Abstract

The linewidth enhancement factor of an electrically–pumped InGaAs quantum–dot amplifier is measured from room to cryogenic temperature. It is found to be always below 1, even reaching negative values with increasing injection current.

© 2003 Optical Society of America

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