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Generation of ultrashort microwave pulses in the sub-THz and THz range based on the cyclotron superradiance effect

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Abstract

The possibility of generating ultrashort microwave pulses in the sub-THz and THz range using the mechanism of cyclotron superradiance (SR) from electron bunches moving over helical trajectories in a homogeneous magnetic field is demonstrated in the framework of averaged model description of the electron–wave interaction and by particle-in-cell (PIC) numerical simulations. In a significantly oversized waveguide tract, selective excitation of the working mode is ensured for an electron bunch propagating at a velocity close to the group velocity of the SR pulse.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, 603950, Russia

    R. M. Rozental, N. S. Ginzburg, I. V. Zotova & A. S. Sergeev

  2. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, 115409, Russia

    V. P. Tarakanov

  3. Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 125412, Russia

    V. P. Tarakanov

Authors
  1. R. M. Rozental
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  2. N. S. Ginzburg
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  3. I. V. Zotova
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  4. A. S. Sergeev
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  5. V. P. Tarakanov
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Corresponding author

Correspondence to N. S. Ginzburg.

Additional information

Original Russian Text © R.M. Rozental, N.S. Ginzburg, I.V. Zotova, A.S. Sergeev, V.P. Tarakanov, 2017, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2017, Vol. 43, No. 18, pp. 24–31.

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Rozental, R.M., Ginzburg, N.S., Zotova, I.V. et al. Generation of ultrashort microwave pulses in the sub-THz and THz range based on the cyclotron superradiance effect. Tech. Phys. Lett. 43, 831–834 (2017). https://doi.org/10.1134/S1063785017090267

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  • DOI: https://doi.org/10.1134/S1063785017090267

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