Room temperature (34°C) operation of strain-compensated quantumcascade lasers |
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| Authors: | Feng-Qi Liu Yong-Zhao Zhang Quan-Sheng Zhang Ding Ding Bo Xu Zhan-Guo Wang De-Sheng Jiang Bao-Quan Sun |
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| Affiliation: | Inst. of Semicond., Acad. Sinica, Beijing; |
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| Abstract: | A short wavelength (λ-3.5 μm) strain-compensated InxGa(1-x)As/InyAl(1-y)As quantum cascade laser is reported. Quasi-continuous wave operation of this device at 34°C with an output power of 11.4 mW persisted for more than 30 minutes without obvious degradation. A very low threshold current density of 1.2 KA/cm2 at this temperature was observed |
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