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Trapped Ion Quantum Computing

Demonstrating an element of measurement-based quantum error correction

arXiv

Authors: Stefanie Barz, Rui Vasconcelos, Chiara Greganti, Michael Zwerger, Wolfgang Dür, Hans J. Briegel, Philip Walther

Year

2013

Paper ID

33084

Status

Preprint

Abstract Read

~2 min

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Abstract

In measurement-based quantum computing an algorithm is performed by measurements on highly-entangled resource states. To date, several implementations were demonstrated, all of them assuming perfect noise-free environments. Here we consider measurement-based information processing in the presence of noise and demonstrate quantum error detection. We implement the protocol using a four-qubit photonic cluster state, where we first encode a general qubit non-locally such that phase errors can be detected. We then read out the error syndrome and analyze the output states after decoding. Our demonstration shows a building block for measurement-based quantum computing which is crucial for realistic scenarios.

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This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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In measurement-based quantum computing an algorithm is performed by measurements on highly-entangled resource states.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1308.5209 [2] arXiv https://arxiv.org/abs/1308.5209 [3] Publisher https://arxiv.org/abs/1308.5209

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