Study improves maximum operating temperature in terahertz quantum cascade lasers, indicating progress toward practical THz sources.
Room temperature operation of terahertz quantum cascade lasers (THz QCLs) has been a long-pursued goal to realize compact semiconductor THz sources. In this paper, we report on improving the maximum operating temperature of THz QCLs to ∼ 261 K as a step toward the realization of this goal.
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Khalatpour et al. (2023) studied this question.
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