Abstract
A narrowband far-infrared laser on intersubband transitions of hot holes was constructed and investigated. Two methods were used: mode selection due to intercavity Fabry-Perot resonator and selection of a narrow spectral lasing region by special multilayer mirror. The emission spectra of the laser were determined. The radiation bandwidth measured was Δν≤0.2 cm-1 as compared with Δν≃15–30 cm-1 for nonselective resonator. Lasing with selective resonator could occur at any two wavelengths in the ranges 80–120 and 150–200 μm. The wavelength was modified by altering electric and magnetic fields. The radiation power was about 10 W and of the same kind as that of a laser without a mode selector. The narrowband laser was used in investigation of CR of electrons in n-InSb.
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Vorobjev, L.E., Danilov, S.N., Donetsky, D.V. et al. Narrowband tunable sub-millimetre hot hole injectionless semiconductor laser and its use for cyclotron resonance investigation. Opt Quant Electron 25, 705–721 (1993). https://doi.org/10.1007/BF00430560
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DOI: https://doi.org/10.1007/BF00430560