RT Journal Article
T1 Quantum Control of Frequency-Tunable Transmon Superconducting Qubits
A1 García-Ripoll, Juan José
A1 Ruíz-Chamorro, Andrés
A1 Torrontegui Muñoz, Erik
AB In this work we analyze the implementation of a control-phase gate through the resonance between the |11〉 and |20〉 states of two statically coupled transmons. We find that there are many different controls for the transmon frequency that implement the same gate with fidelities around 99.8% (T1 = T2 = 17 μs) and 99.99% (T1 = T2 = 300 μs) within a time that approaches the theoretical limit. All controls can be brought to this accuracy by calibrating the waiting time and the destination frequency near the |11〉−|20〉 resonance. However, some controls, such as those based on the theory of dynamical invariants, are particularly attractive due to reduced leakage, robustness against decoherence, and their limited bandwidth.
PB APS
SN 2331-7019
YR 2020
FD 2020-10
LK https://hdl.handle.net/10016/32115
UL https://hdl.handle.net/10016/32115
LA eng
NO The authors thank N. K. Langford for fruitful discussions. J.J.G.-R. and E.T. acknowledge support from Project PGC2018-094792-B-I00 (MCIU/AEI/FEDER,UE), CSIC Research Platform PTI-001, and CAM/FEDER Project No. S2018/TCS-4342 (QUITEMAD-CM).
DS e-Archivo
RD 3 may. 2024