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Conferences > CLEO > 2001 > CML > CML5
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2001),
  • paper CML5

Grating-coupled external cavity quantum cascade semiconductor lasers

G.P. Luo, C. Peng, H.Q. Le, W.-Y. Hwang, B. Ishaug, J. Urn, and James N. Baillargeon

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Abstract

Widely wavelength-tunable mid-infrared lasers are useful for broadband spectral sensing. Grating-coupled external cavity InAs/InAsSb or GaSb/lnAsSb 3–4μn lasers have been demonstrated with large tuning range.1 This work investigates the wavelength tuning property of InGaAs/InAlAs quantum cascade lasers2 using grating-coupled external cavity. An objective is to determine the optimal condition for threshold and power efficiency as a function of wavelength and temperature.

© 2001 Optical Society of America

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