Interface between Topological and Superconducting Qubits
Liang Jiang, Charles L. Kane, John Preskill
DOI 10.1103/PhysRevLett.106.130504 · Physical Review Letters
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Abstract
We propose and analyze an interface between a topological qubit and a superconducting flux qubit. In our scheme, the interaction between Majorana fermions in a topological insulator is coherently controlled by a superconducting phase that depends on the quantum state of the flux qubit. A controlled-phase gate, achieved by pulsing this interaction on and off, can transfer quantum information between the topological qubit and the superconducting qubit.
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