High-power terahertz quantum-cascade lasers
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- 19 January 2006
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 42 (2) , 89-91
- https://doi.org/10.1049/el:20063921
Abstract
Demonstration of quantum-cascade lasers at ∼4.4 THz (λ∼68 µm), which are measured to emit 248 mW peak power in pulsed mode, and 138 mW continuous-wave power at heatsink temperatures of 10 K, is reported. These lasers are based on a resonant-phonon depopulation scheme, and use a semi-insulating surface-plasmon waveguide.Keywords
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