151. Quantum cascade lasers emitting near 2.6 μm
- Author
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J. C. Moreno, Alexei N. Baranov, Roland Teissier, J. Devenson, O. Cathabard, Institut d’Electronique et des Systèmes (IES), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Composants à Nanostructure pour le moyen infrarouge (NANOMIR), and Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)
- Subjects
010302 applied physics ,Coupling ,Materials science ,Physics and Astronomy (miscellaneous) ,business.industry ,02 engineering and technology ,021001 nanoscience & nanotechnology ,Laser ,01 natural sciences ,[SPI.TRON]Engineering Sciences [physics]/Electronics ,Semiconductor laser theory ,law.invention ,Wavelength ,Quantum dot laser ,Cascade ,law ,0103 physical sciences ,Optoelectronics ,0210 nano-technology ,business ,Quantum ,ComputingMilieux_MISCELLANEOUS ,Quantum well - Abstract
Quantum cascade lasers (QCLs) emitting at wavelengths as short as 2.63–2.65 μm are demonstrated. The InAs/AlSb QCL design was optimized to weaken carrier leakage into the L-valley by reducing coupling between the active InAs quantum wells. The lasers with HR-coated facets operated up to 175 K.
- Published
- 2010