Anyon Systems Inc.

Chloé Archambault

Gabriel Ethier-Majcher

Alireza Najafi-Yazdi

There is described herein a topologically protected quantum circuit with superconducting qubits and method of operation thereof. The circuit comprises a plurality of physical superconducting qubits and a plurality of coupling devices interleaved between pairs of the physical superconducting qubits. The coupling devices comprise at least one &#x3c6;-Josephson junction, wherein a Josephson phase &#x3c6;of the &#x3c6;-Josephson junction is non-zero in a ground state, the coupling devices have a Josephson energy E, the physical superconducting qubits have a Josephson energy E, and the circuit operates in a topological regime when

Topologically protected quantum circuit with superconducting qubits

A qubit circuit and a method for topological protection of a qubit circuit are described. The circuit comprises a plurality of physical superconducting qubits and a plurality of coupling devices interleaved between pairs of the physical superconducting qubits. The coupling devices are tunable to operate the qubit circuit either in a topological regime or as a series of individual physical qubits. At least two superconducting loops, each one threadable by an external flux, are part of the qubit circuit.

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Verdun, Canada

Chloé Archambault