Quantum cascade lasers in GaAs/AlGaAs heterostructures are operated in the THz range, with peak powers of several mWs and thresholds of few hundred A/cm{sup}2 up to 60K. Single-mode and continuous-wave emission are also achieved at 4.4THz.
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机译:在GaAs / Algaas异质结构中的量子级联激光器在THz范围内操作,峰值功率为几MWS和几百A / cm {SUP} 2最高可达60k的阈值。在4.44℃下也实现了单模和连续波发射。
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