S. Gerhard, C. Schilling, F. Gerschutz, M. Fischer, J. Koeth, I. Krestnikov, A. Kovsh, M. Kamp, S. Hofling, A. Forchel
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Abstract
We present detailed measurements of the Henry factor (linewidth enhancement factor) above and below threshold of a quantum dot laser. Modulation frequency and current dependence of the above-threshold method based on modulation experiments is shown.
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