Design of a terahertz cascade backward wave amplifier

David, Jean-Francois and Durand, Alain and Mineo, Mauro and Paoloni, Claudio (2014) Design of a terahertz cascade backward wave amplifier. IEEE Transactions on Electron Devices, 61 (6). pp. 1715-1720. ISSN 0018-9383

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The cascade backward-wave amplifier (CBWA) has gained recent interest as amplifier at terahertz frequencies. The backward-wave regime permits the design of slow wave structures (SWSs) with longer period and geometrical dimensions, for a given frequency, that better match the fabrication process capabilities. The complexity of the CBWA and the use of the double corrugated waveguide as SWS to operate at terahertz frequencies require a simulation strategy to properly model the amplifier behavior and to reduce the relevant number of time-consuming particle-in-cell simulations required for a proper design. A methodology for the fast design of CBWAs is presented.

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Journal Article
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IEEE Transactions on Electron Devices
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28 Jan 2014 16:26
Last Modified:
22 Nov 2022 00:40