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Harmonic distortion in a traveling wave tube at 850 GHz and its use in frequency multiplication

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2 Author(s)
Kotiranta, M. ; Phys. Inst., Goethe-Univ. Frankfurt am Main, Frankfurt am Main, Germany ; Krozer, V.

Nonlinear behavior of a traveling wave tube operating at 850 GHz has been studied by performing 3D particle-in-cell simulations. The conversion efficiency to the second harmonic (1700 GHz) is more than 7% when an input signal power of 14 dBm is applied. Such a device could be used as a frequency doubler driven by a combination of a solid-state source and a traveling wave tube amplifier.

Published in:

Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC), 2011 Workshop on

Date of Conference:

18-19 April 2011