Robust charge-based qubit encoding

D K L  Oi; S G  Schirmer; A D  Greentree; T M  Stace

doi:10.1103/PhysRevB.72.075348

Robust charge-based qubit encoding

D K L Oi, S G Schirmer, A D Greentree, T M Stace

Research output: Contribution to journal › Article › peer-review

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Abstract

We propose a simple encoding of charge-based quantum dot qubits which protects against fluctuating electric fields by charge symmetry of the logical states. We analyze the reduction of coupling to noise due to nearby charge traps and present single qubit gates. The relative advantage of the encoding increases with lower charge trap density.

Original language	English
Article number	075348
Pages (from-to)	-
Number of pages	6
Journal	Physical Review B
Volume	72
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevB.72.075348
Publication status	Published - Aug 2005

Keywords

quantum computing
decoherence
suppression

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10.1103/PhysRevB.72.075348

0412122v3Submitted manuscript, 369 KB

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title = "Robust charge-based qubit encoding",

abstract = "We propose a simple encoding of charge-based quantum dot qubits which protects against fluctuating electric fields by charge symmetry of the logical states. We analyze the reduction of coupling to noise due to nearby charge traps and present single qubit gates. The relative advantage of the encoding increases with lower charge trap density.",

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KW - decoherence

KW - suppression

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Robust charge-based qubit encoding

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Keywords

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