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Heterostructures for quantum-cascade lasers of the wavelength range of 7–8 μm

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Abstract

It is shown that molecular-beam-epitaxy technology can be used to fabricate heterostructures for quantum-cascade lasers of the wavelength range of 7–8 μm with an active region comprising 50 cascades based on a heterojunction of In0.53Ga0.47As/Al0.48In0.52As solid solutions. The optical emission is obtained using a quantum-cascade design operating on the principle of two-phonon resonance scattering. The properties of heterostructures were studied by the methods of X-ray diffraction and transmission electron microscopy, which showed their high quality with respect to the identical compositions and thicknesses of all 50 cascades. Stripe-geometry lasers made of these heterostructures exhibited lasing with a threshold current density below 1.6 kA/cm2 at a temperature of 78 K.

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Authors and Affiliations

  1. St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO University), St. Petersburg, 197101, Russia

    A. V. Babichev, A. S. Kurochkin, E. S. Kolodeznyi, V. E. Bugrov, L. Ya. Karachinsky, I. I. Novikov & A. Yu. Egorov

  2. Connector Optics Company, St. Petersburg, 194292, Russia

    A. V. Babichev, A. G. Gladyshev, A. V. Filimonov, L. Ya. Karachinsky, I. I. Novikov & A. Yu. Egorov

  3. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. N. Nevedomskii, G. S. Sokolovskii, L. Ya. Karachinsky & I. I. Novikov

  4. Centre for Nanoscience and Nanotechnology, CNRS UMR9001, Université Paris Sud, Université Paris Saclay, Orsay, France

    A. Bousseksou

Authors
  1. A. V. Babichev
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  2. A. G. Gladyshev
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  3. A. V. Filimonov
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  4. V. N. Nevedomskii
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  5. A. S. Kurochkin
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  6. E. S. Kolodeznyi
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  7. G. S. Sokolovskii
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  8. V. E. Bugrov
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  9. L. Ya. Karachinsky
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  10. I. I. Novikov
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  11. A. Bousseksou
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  12. A. Yu. Egorov
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Corresponding author

Correspondence to A. Yu. Egorov.

Additional information

Original Russian Text © A.V. Babichev, A.G. Gladyshev, A.V. Filimonov, V.N. Nevedomskii, A.S. Kurochkin, E.S. Kolodeznyi, G.S. Sokolovskii, V.E. Bugrov, L.Ya. Karachinsky, I.I. Novikov, A. Bousseksou, A.Yu. Egorov, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 14, pp. 64–71.

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Babichev, A.V., Gladyshev, A.G., Filimonov, A.V. et al. Heterostructures for quantum-cascade lasers of the wavelength range of 7–8 μm. Tech. Phys. Lett. 43, 666–669 (2017). https://doi.org/10.1134/S1063785017070173

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  • DOI: https://doi.org/10.1134/S1063785017070173

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