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Article
Towards a Si/SiGe Quantum Cascade Laser for Terahertz Applications
While electroluminescence has been demonstrated at terahertz frequencies from Si/SiGe quantum cascade emitters, to date no laser has been achieved due to poor vertical confinement of the optical mode. A method...
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Chapter
Terahertz Emission From Silicon-Germanium Quantum Cascades
Whilst most present day efforts towards the realisation of a silicon based laser are focused on the near-infrared (telecommunications) wavelengths, one of the most promising technical approaches is that of a s...