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

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

doi:10.1063/5.0144705

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

Journal Article · Mon Apr 17 00:00:00 EDT 2023 · Applied Physics Letters

DOI:https://doi.org/10.1063/5.0144705· OSTI ID:2311495

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Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Univ. of Waterloo, ON (Canada)
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Room temperature operation of terahertz quantum cascade lasers (THz QCLs) has been a long-pursued goal to realize compact semiconductor THz sources. Here, 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.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF)

Grant/Contract Number:: NA0003525

OSTI ID:: 2311495

Report Number(s):: SAND--2023-02904J

Journal Information:: Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 16 Vol. 122; ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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