CPC G06N 10/00 (2019.01) [G06N 10/40 (2022.01); H01L 29/66977 (2013.01)] | 17 Claims |
1. A quantum coupler device, comprising:
a tunable coupler coupled between a first terminal of a first qubit and a second terminal of a second qubit, the first terminal and the second terminal having a same polarity, wherein the tunable coupler is configured to control a first coupling between the first qubit and the second qubit; and
a capacitor device coupled to the first terminal and a third terminal of the second qubit, the first terminal and the third terminal having an opposite polarity, wherein the capacitor device is configured to provide a second coupling opposite in sign relative to the first coupling and based on a resonant frequency of the tunable coupler being smaller than a resonant frequency of both the first qubit and the second qubit.
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