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Conferences > CLEO_Europe > 2007 > CB10 > CB10_5
  • CLEO/Europe and IQEC 2007 Conference Digest
  • (Optica Publishing Group, 2007),
  • paper CB10_5

Dependence of the Linewidth Enhancement Factor on the Temperature Induced Detuning of a Distributed Feedback Grating in a Quantum Cascade Laser

J. von Staden, T. Gensty, W. Elsäßer, G. Giuliani, and Ch. Mann

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Abstract

The linewidth enhancement factor (or alpha parameter) describes the coupling of amplitude and phase in a semiconductor laser. It is a fundamental property of semiconductor lasers, and influences a variety of other important dynamic properties like linewidth and chirp, for example. We present measurements of the linewidth enhancement factor of distributed feedback quantum cascade lasers using a self-mixing interferometer technique.

© 2007 IEEE

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