Cluster states in charge qubits based on coupled quantum dots

Abstract

We propose a method to efficiently generate cluster states in solid‐state charge qubits. We show that highly‐entangled cluster states can be realized by a ‘one‐touch’ entanglement operation using the gate bias. We also investigate the robustness of these cluster states for non‐uniform qubits, which are unavoidable in solid‐state systems. We find that quantum computation based on cluster states is a promising approach for solid‐state qubits.

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