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Conferences > QELS > 2008 > JThA > JThA17
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper JThA17

Detuning Characteristics of the Linewidth Enhancement Factor of a Mid-infrared Quantum Cascade Laser

N. Kumazaki, Y. Takagi, M. Ishihara, K. Kasahara, A. Sugiyama, N. Akikusa, and T. Edamura

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Abstract

The linewidth enhancement factor of a 5.2-µm distributed-feedback quantum cascade laser above the threshold current caused by detuning from the gain peak was investigated. We clearly observed different values for the linewidth enhancement factor.

© 2008 Optical Society of America

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