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Transversal Injection: Using the Surface Code to Prepare Non-Pauli Eigenstates
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en
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6
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2023 IEEE International Conference on Quantum Computing and Engineering (QCE), pp. 910-915
Abstract
The development of quantum computing systems for large scale algorithms requires targeted error rates un-achievable through hardware advancements alone. Quantum Error Correction (QEC) allows us to use systems with a large number of physical qubits to form a fault tolerant system with a lower number of logical qubits and a favourable logical error rate. While some gates can be easily implemented in a QEC code transversally, there is no code that has a universal set of transversal gates. Transversal Injection is a new method of preparing logical non-Pauli eigenstates that can be used as resource states for quantum computation. State preparation can be done directly in the surface code and has the potential to prepare higher fidelity injected states. Compared to other techniques, transversal injection can reduce the resource burden for state distillation protocols. In this paper, the authors present the theory behind this new technique as well as an algorithm for calculating the resulting logical states prepared in the surface code
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Gavriel, J, Herr, D, Shaw, A, Bremner, M J, Paler, A & Devitt, S J 2023, Transversal Injection: Using the Surface Code to Prepare Non-Pauli Eigenstates. in H Muller, Y Alexev, A Delgado & G Byrd (eds), 2023 IEEE International Conference on Quantum Computing and Engineering (QCE)., 10313773, IEEE, pp. 910-915, IEEE International Conference on Quantum Computing and Engineering, Bellevue, Washington, United States, 17/09/2023. https://doi.org/10.1109/QCE57702.2023.00105