Robust charge-based qubit encoding

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

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
84 Downloads (Pure)


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 languageEnglish
Article number075348
Pages (from-to)-
Number of pages6
JournalPhysical Review B
Issue number7
Publication statusPublished - Aug 2005


  • quantum computing
  • decoherence
  • suppression


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