Faculté des sciences

Continuous-wave operation of quantum cascade laser emitting near 5.6 µm

Yarekha, D. A. ; Beck, Mattias ; Blaser, Stéphane ; Aellen, Thierry ; Gini Emilio ; Hofstetter, Daniel ; Faist, Jérôme

In: Electronics Letters, 2003, vol. 39, no. 15, p. 1123-1125

Buried heterostructure quantum cascade lasers emitting at 5.64 µm are presented. Continuous-wave (CW) operation has been achieved at –30°C for junction down mounted devices with both facets coated. A 750 µm-long laser exhibited 3 mW of CW power with a threshold current density of 5.4 kA/cm2. Plus

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    Summary
    Buried heterostructure quantum cascade lasers emitting at 5.64 µm are presented. Continuous-wave (CW) operation has been achieved at –30°C for junction down mounted devices with both facets coated. A 750 µm-long laser exhibited 3 mW of CW power with a threshold current density of 5.4 kA/cm2.