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- W3149772202 abstract "The quantum cascade laser (QCL) is a semiconductor laser that employs radiative transitions of an electron between the bounded states in a superlattice (SL) and phenomenon of resonant tunnelling. Here we present a QCL that operates in the terahertz (THz) spectral region at wavelength of 95µm. Important difference compared to previous terahertz QCL's based on GaAs/AlGaAs material system is choice of In <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.47</inf> Ga <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.53</inf> As/In <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.48</inf> Al <inf xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0.52</inf> As lattice matched to InP which has lighter electron effective mass that should lead to higher gain and better operation [1]." @default.
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- W3149772202 date "2009-06-01" @default.
- W3149772202 modified "2023-10-17" @default.
- W3149772202 title "InP based, terahertz quantum cascade lasers with 4 quantum well active region design" @default.
- W3149772202 doi "https://doi.org/10.1109/cleoe-eqec.2009.5191757" @default.
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