Abstract
Results of an investigation of quantum cascade lasers of the 8-μm spectral range generating dual-frequency radiation at room temperature are presented. The dependences of radiation intensity for two lines of laser generation obtained as a result of investigation of the generation spectra revealed the presence of saturation and decay of the long-wavelength line of generation and linear growth of the intensity of the short-wavelength one. Based on analysis of the obtained data, a mechanism of the dual-frequency generation in the studied QCL samples is proposed Generation.
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Original Russian Text © V.V. Dudelev, S.N. Losev, V.Yu. Mylnikov, A.V. Babichev, E.A. Kognovitskaya, S.O. Slipchenko, A.V. Lutetskii, N.A. Pikhtin, A.G. Gladyshev, L.Ya. Karachinskii, I.I. Novikov, A.Yu. Egorov, V.I. Kuchinskii, G.S. Sokolovskii, 2018, published in Optika i Spektroskopiya, 2018, Vol. 125, No. 3, pp. 387–390.
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Dudelev, V.V., Losev, S.N., Mylnikov, V.Y. et al. Dual-Frequency Generation in Quantum Cascade Lasers of the 8-μm Spectral Range. Opt. Spectrosc. 125, 402–404 (2018). https://doi.org/10.1134/S0030400X18090096
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DOI: https://doi.org/10.1134/S0030400X18090096