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Analysis of the Turn-On Delay of Quantum Cascade Lasers Under Pumping with a Trapezoidal Current Pulse

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Radiophysics and Quantum Electronics Aims and scope

We analyze the turn-on delay of quantum cascade lasers (QCLs) under pumping with a trapezoidal current pulse. The simulation is based on a system of rate equations for a three-level laser system. We identify five QCL regimes, for which appropriate analytical formulas for the turn-on delay estimation are obtained. The analytical results are in good qualitative agreement with numerical simulations. It is shown that the turn-on delay depends nonlinearly on the rise time of the pump-pulse leading edge.

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Authors and Affiliations

  1. Branch of the M.V. Lomonosov State University of Moscow, Sarov, Russia

    K. V. Kusakina

  2. N. I. Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia

    K. V. Kusakina & G. S. Sokolovsky

  3. A. F. Ioffe Physical–Technical Institute, St. Petersburg, Russia

    G. S. Sokolovsky

  4. Russian Federal Nuclear Center—All-Russia Research Institute of Experimental Physics, Sarov, Russia

    K. V. Kusakina

Authors
  1. K. V. Kusakina
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  2. G. S. Sokolovsky
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Corresponding author

Correspondence to G. S. Sokolovsky.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 65, No. 8, pp. 634–644, August 2022. Russian DOI: https://doi.org/10.52452/00213462_2022_65_08_634

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Kusakina, K.V., Sokolovsky, G.S. Analysis of the Turn-On Delay of Quantum Cascade Lasers Under Pumping with a Trapezoidal Current Pulse. Radiophys Quantum El 65, 578–587 (2023). https://doi.org/10.1007/s11141-023-10238-y

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  • DOI: https://doi.org/10.1007/s11141-023-10238-y

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