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Analysis of the effects of temperature and the electric field on quantum cascade laser characteristics

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Abstract

The effects of temperature and the electric field on the characteristics of a quantum cascade laser (QCL) have been investigated theoretically. A complete three level rate equation model considering all the scattering events has been proposed. The analytical expression for the threshold current density has been derived and the effects of temperature and the electric field are examined. The rate equation model is further used to analyze the population and photon number dynamics present within the cavity of a QCL and the effects of temperature and the electric field on the laser dynamics are investigated numerically.

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Acknowledgments

Financial support from UGC–SAP, India under the DRS Programme is gratefully acknowledged.

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Authors and Affiliations

  1. Department of Electronics Engineering, Indian School of Mines, Dhanbad, 826004, Jharkhand, India

    Sumit Saha & Jitendra Kumar

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  1. Sumit Saha
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  2. Jitendra Kumar
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Correspondence to Sumit Saha.

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Saha, S., Kumar, J. Analysis of the effects of temperature and the electric field on quantum cascade laser characteristics. Opt Quant Electron 47, 3273–3287 (2015). https://doi.org/10.1007/s11082-015-0206-2

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