Abstract
A model of a laser that uses the GaAs/AlyGa1 −yAs lattice nonlinearity to lase in the terahertz range is proposed. The laser mixes two-frequency near-IR oscillations in a vertical (i.e., arranged across the structure layers) Bragg cavity. The cw output at a wavelength of 10 µm may reach 0.5 to 5 µW.
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