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physics.optics2026
Quantum cascade laser roadmap
Carlo Silvestri, Aleksandar D. Rakić, Dragan Indjin +46
Quantum cascade lasers (QCLs) are unipolar semiconductor lasers first demonstrated in 1994. Since then, they have played a central role in advancing mid-infrared and terahertz phot…
physics.optics2021★ 19 cited
Terahertz nanospectroscopy of plasmon polaritons for the evaluation of doping in quantum devices
Xiao Guo, Xin He, Zach Degnan +6
Terahertz (THz) waves are a highly sensitive probe of free carrier concentrations in semiconducting materials. However, most experiments operate in the far-field, which precludes t…