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Room Temperature Lasing of Single-Mode Arched-Cavity Quantum-Cascade Lasers

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Abstract

Single-mode lasing at room temperature in quantum-cascade lasers (QCLs) with arched cavity design has been demonstrated. The output optical power in single-mode lasing regime at ~7.7-μm lasing wavelength was above 6 mW with a side-mode suppression ratio of up to 25 dB. The QCL heterostructure for the arched cavities was grown by molecular-beam epitaxy (MBE) based on a heterojunction of In0.53Ga0.47As/Al0.48In0.52As solid alloys, lattice-matched with InP substrate, and InP layers performing the function of waveguide claddings.

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Authors and Affiliations

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

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

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

    A. G. Gladyshev, L. Ya. Karachinsky & I. I. Novikov

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

    V. V. Dudelev, G. S. Sokolovskii, L. Ya. Karachinsky, I. I. Novikov, S. O. Slipchenko, A. V. Lyutetskii & N. A. Pikhtin

  4. St. Petersburg Electrotechnical University “LETI”, 197022, St. Petersburg, Russia

    D. V. Denisov

  5. OKB-Planeta PLC, 173000, Veliky Novgorod, Russia

    A. S. Ionov

Authors
  1. A. V. Babichev
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  2. A. G. Gladyshev
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  3. A. S. Kurochkin
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  4. V. V. Dudelev
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  5. E. S. Kolodeznyi
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  6. G. S. Sokolovskii
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  7. V. E. Bugrov
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  8. L. Ya. Karachinsky
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  9. I. I. Novikov
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  10. D. V. Denisov
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  11. A. S. Ionov
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  12. S. O. Slipchenko
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  13. A. V. Lyutetskii
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  14. N. A. Pikhtin
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  15. A. Yu. Egorov
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Correspondence to A. V. Babichev.

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Translated by P. Pozdeev

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Babichev, A.V., Gladyshev, A.G., Kurochkin, A.S. et al. Room Temperature Lasing of Single-Mode Arched-Cavity Quantum-Cascade Lasers. Tech. Phys. Lett. 45, 398–400 (2019). https://doi.org/10.1134/S1063785019040205

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  • DOI: https://doi.org/10.1134/S1063785019040205

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