Browsing by Subject "adiabatic gating"
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Item Rapid adiabatic gating for capacitively coupled quantum dot hybrid qubits without barrier control(2018) Setser, A. A.; Kestner, J. P.We theoretically examine the capacitive coupling between two quantum dot hybrid qubits, each consisting of three electrons in a double quantum dot, as a function of the energy detuning of the double dot potentials. We show that a shaped detuning pulse can produce a two-qubit maximally entangling operation in ~ 50ns without having to simultaneously change tunnel couplings. Sim- ulations of the entangling operation in the presence of experimentally realistic charge noise yield two-qubit delities over 90%.