Publications Details

Enhanced operating temperature in terahertz quantum cascade lasers based on direct phonon depopulation

Khalatpour, Ali; Tam, Man C.; Addamane, Sadhvikas J.; Reno, John; Wasilewski, Zbignew; Hu, Qing

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.