Contactless Terahertz Sensing of Ultrafast Switching in Marx Generator Based on Avalanche Transistors

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

14 Lataukset (Pure)

Abstrakti

In this paper, we have studied the temporal evolution of switching for each stage of the Marx generator with picosecond temporal and millimeter spatial resolutions employing terahertz measurements. The Marx circuit utilizes collapsing-field-domain (CFD)-based avalanche switches, which are formed in a bipolar GaAs structure and result in the picosecond speed of powerful carrier generation and electrical switching. The application of the CFD-based avalanche switches emitting mm-wave pulsed radiation in the Marx generator provides a unique opportunity to accurately track the switching instants for each of the circuit stages with a picosecond time precision. The collapsing domains cause the sub-THz pulses radiated by each of the avalanche switches, and the same domains generate the electron-hole plasma thus causing simultaneously the electrical switching. In this work, we report the direct measurements of the switching instants for each of the four stages Marx generator and suggest an interpretation of non-trivial experimental results.
AlkuperäiskieliEnglanti
Artikkeli9861612
Sivut1724-1727
Sivumäärä4
JulkaisuIEEE Electron Device Letters
Vuosikerta43
Numero10
Varhainen verkossa julkaisun päivämäärä18 elok. 2022
DOI - pysyväislinkit
TilaJulkaistu - 1 lokak. 2022
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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