Errors due to finite rise and fall times of pulses in superconducting charge qubits

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We study numerically the dynamics of two-qubit gates with superconducting charge qubits. The exact ratio of EJ to EL and the corresponding operation time are calculated in order to implement two-qubit gates. We investigate the effect of finite rise and fall times of pulses in realization of two-qubit gates. It is found that the error in implementing two-qubit gates grows quadratically in rise and fall times of pulses.

Original languageEnglish
Article number144526
Pages (from-to)1445261-1445265
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
Publication statusPublished - 1 Apr 2002
Externally publishedYes


ASJC Scopus subject areas

  • Condensed Matter Physics

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