Short wavelength intersubband emission from InAs/AlSb quantum cascade structures

@article{Barate2005ShortWI,
  title={Short wavelength intersubband emission from InAs/AlSb quantum cascade structures},
  author={D. Barate and R. Teissier and A. Baranov},
  journal={CLEO/Europe. 2005 Conference on Lasers and Electro-Optics Europe, 2005.},
  year={2005},
  pages={92-}
}
In this paper InAs/AlSb quantum cascade structures operating at room temperature with peak emission wavelength down to 2.55 /spl mu/m, the shortest emission wavelength of intersubband transitions reported to date. No degradation in structure performances was observed with the emission wavelength decreasing from 4.5 to 2.55 /spl mu/m. The obtained results prove the great potential of the InAs/AlSb system for the development of short wavelength QCLs. 
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