O. B. Vyskubenko, S. G. Garanin, N. G. Zakharov, K. V. Kusakina, V. I. Lazarenko, A. Mukhin, G. S. Sokolovskii, K. A. Tulyakov, “Parametric amplification of quantum cascade laser radiation at 4.6 <nobr>$\mu$</nobr>m in a nonlinear ZnGeP<nobr>$_2$</nobr> crystal”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2023, Volume 49, Issue 21,Pages <nobr>42–46</nobr>

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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2023 Volume 49, Issue 21, Pages 42–46 (Mi pjtf7110)

Parametric amplification of quantum cascade laser radiation at 4.6 $\mu$m in a nonlinear ZnGeP$_2$ crystal

O. B. Vyskubenko^ab, S. G. Garanin^a, N. G. Zakharov^ab, K. V. Kusakina^ac, V. I. Lazarenko^ab, A. Mukhin^a, G. S. Sokolovskii^d, K. A. Tulyakov^ac

^a Federal State Unitary Enterprise "Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics", Sarov, Nizhny Novgorod Region, Russia
^b National Research Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia
^c Sarov branch of the Lomonosov Moscow State University, Nizhny Novgorod Region, Russia
^d Ioffe Institute, St. Petersburg, Russia

Abstract: Amplification of pulsed quantum cascade laser radiation at $\sim$ 4.6 $\mu$m through nonlinear conversion in a ZnGeP$_2$ crystal has been demonstrated experimentally. The peak power at the output of a nonlinear crystal was 373 W at input peak power of the quantum cascade laser of 0.4 W.

Keywords: quantum cascade laser, Ho:YAG laser, parametric nonlinear conversion.

Received: 14.07.2023
Revised: 21.09.2023
Accepted: 21.09.2023

DOI: 10.61011/PJTF.2023.21.56464.19686

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