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Figure 9 | EPJ Quantum Technology

Figure 9

From: A model study of present-day Hall-effect circulators

Figure 9

Effects of parasitics on the Q -parameters of a three-port circulator. The circulator is matched to the external impedance of 50Ω and the matching is optimized for filling factor \(\nu = 8\). We used here \(C_{p}=120~\mbox{fF}\). The currents carried by the parasitic capacitances and the direct channels are comparable, thus interference effects occur and reversed circulation is strongly enhanced.

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