| Citation: |
Lu Xiuzhen, Liu Fengqi, Liu Junqi, Jin Peng, Wang Zhanguo. Room Temperature Operation of Strain-Compensated 5.5μm Quantum Cascade Lasers[J]. Journal of Semiconductors, 2005, 26(12): 2267-2270.
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Lu X Z, Liu F Q, Liu J Q, Jin P, Wang Z G. Room Temperature Operation of Strain-Compensated 5.5μm Quantum Cascade Lasers[J]. Chin. J. Semicond., 2005, 26(12): 2267.
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Room Temperature Operation of Strain-Compensated 5.5μm Quantum Cascade Lasers
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Abstract
Room temperature operation is an important criterion for high performance of quantum cascade lasers.A strain-compensated quantum cascade laser(λ≈5.5μm) with optimized waveguide structure lasing at room temperature is reported.Accurate control of layer thickness and strain-compensated material composition is demonstrated using X-ray diffraction.An output power of at least 45mW per facet is realized for a 20μm-wide and 2mm-long laser at room temperature. -
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