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Calculation of spatial intensity distribution of InAsSb/InAsSbP laser diode emission

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Journal of Applied Spectroscopy Aims and scope

The spatial distribution of emission intensity in the active layer of a laser diode (LD) based on an InAsSb/InAsSbP heterostructure (generation wavelength λgen ∼ 3.3 µm) is obtained for various stripe widths w by means of numerical solution of the wave equation in the 2D approximation taking into account the refractive index nonlinearity. It has been shown that the special distribution of emission intensity becomes strongly inhomogeneous at w values exceeding 9–10 µm, which results in the appearance of additional maxima in the far-field pattern. Calculated far-field patterns in the active layer plane of the LD agree with corresponding experimental data.

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Authors and Affiliations

  1. Belorusian State University, Minsk, Belarus

    L. I. Burov, A. S. Gorbatsevich & A. G. Ryabtsev

  2. B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68 Nezavisimosti Ave., Minsk, 220072, Belarus

    G. I. Ryabtsev

  3. A. F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia

    A. N. Imenkov & Yu. P. Yakovlev

Authors
  1. L. I. Burov
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  2. A. S. Gorbatsevich
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  3. A. G. Ryabtsev
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  4. G. I. Ryabtsev
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  5. A. N. Imenkov
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  6. Yu. P. Yakovlev
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Corresponding author

Correspondence to G. I. Ryabtsev.

Additional information

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 75, No. 6, pp. 804–808, November–December, 2008.

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Burov, L.I., Gorbatsevich, A.S., Ryabtsev, A.G. et al. Calculation of spatial intensity distribution of InAsSb/InAsSbP laser diode emission. J Appl Spectrosc 75, 805–809 (2008). https://doi.org/10.1007/s10812-009-9128-8

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  • DOI: https://doi.org/10.1007/s10812-009-9128-8

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