3D above threshold modelling of MIR quantum cascade laser with high index contrast photonic crystal structure

Dmitry V. Vysotsky; Nikolay N. Elkin; Anatoly P. Napartovich

doi:10.1117/12.2564315

9 April 2020 3D above threshold modelling of MIR quantum cascade laser with high index contrast photonic crystal structure

Dmitry V. Vysotsky, Nikolay N. Elkin, Anatoly P. Napartovich

Author Affiliations +

Proceedings Volume 11458, Saratov Fall Meeting 2019: Laser Physics, Photonic Technologies, and Molecular Modeling; 1145807 (2020) https://doi.org/10.1117/12.2564315
Event: Saratov Fall Meeting 2019: VII International Symposium on Optics and Biophotonics, 2019, Saratov, Russian Federation

Abstract

Numerical modelling of quantum cascade laser (QCL) is a very complicated problem since the gain is spatially anisotropical in this type of laser. Besides, low efficiency results in very strong thermal effects in CW operation regime. QCL with embedded high index contrast structrures, such as resonant antiguided arrays, can achieve the output power level more than 1W in single spatial mode lasing. We present 3D model of such QCL, which is based on the semivectorial beam propagation method. The single mode operation stability is studied for pulse and CW operation regimes.

Citation Download Citation

Dmitry V. Vysotsky, Nikolay N. Elkin, and Anatoly P. Napartovich "3D above threshold modelling of MIR quantum cascade laser with high index contrast photonic crystal structure", Proc. SPIE 11458, Saratov Fall Meeting 2019: Laser Physics, Photonic Technologies, and Molecular Modeling, 1145807 (9 April 2020); https://doi.org/10.1117/12.2564315

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