Mode locking and spatiotemporal chaos in periodically driven Gunn diodes

Publication: Research - peer-reviewJournal article – Annual report year: 1990

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Numerical simulation is applied to study the highly nonlinear-dynamic phenomena that can arise in Gunn diodes by interaction between the internally generated domain mode and an external microwave signal. By adjusting the time of domain formation and the speed of propagation, the internal oscillation entrains with the external signal. This produces a devil’s staircase of frequency-locked solutions. At higher microwave amplitudes, period doubling and other forms of mode-converting bifurcations can be seen. In this interval the diode also exhibits spatiotemporal chaos. At still higher microwave amplitudes, transitions to delayed, quenched, and limited space-charge accumulation modes take place.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Volume41
Issue number4
Pages (from-to)2298-2306
ISSN0163-1829
DOIs
StatePublished - 1990
Peer-reviewedYes

Bibliographical note

Copyright (1990) by the American Physical Society.

CitationsWeb of Science® Times Cited: 35
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