Simple two qubit gates for the 0-π qubit

The 0 − π qubit is an attractive candidate for a next generation superconducting qubit and has been experimentally realized in the “soft’’ 0 – π regime. We show how to connect the nodes of two 0− π circuits in order to achieve any desired coupling between any qubit degrees of freedom. This coupling allows us to construct two qubit gates. We will discuss the tradeoffs that arise between protection, circuit complexity, and gate times.

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