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@ARTICLE{Jerger:1041442,
      author       = {Jerger, M. and Motzoi, F. and Gao, Yuan and Dickel, C. and
                      Buchmann, L. and Bengtsson, A. and Tancredi, G. and Warren,
                      C. W. and Bylander, J. and DiVincenzo, D. and Barends, R.
                      and Bushev, P. A.},
      title        = {{D}ispersive {Q}ubit {R}eadout with {I}ntrinsic {R}esonator
                      {R}eset},
      publisher    = {arXiv},
      reportid     = {FZJ-2025-02246},
      year         = {2024},
      abstract     = {A key challenge in quantum computing is speeding up
                      measurement and initialization. Here, we experimentally
                      demonstrate a dispersive measurement method for
                      superconducting qubits that simultaneously measures the
                      qubit and returns the readout resonator to its initial
                      state. The approach is based on universal analytical pulses
                      and requires knowledge of the qubit and resonator
                      parameters, but needs no direct optimization of the pulse
                      shape, even when accounting for the nonlinearity of the
                      system. Moreover, the method generalizes to measuring an
                      arbitrary number of modes and states. For the qubit readout,
                      we can drive the resonator to $\sim 10^2$ photons and back
                      to $\sim 10^{-3}$ photons in less than $3 κ^{-1}$, while
                      still achieving a $T_1$-limited assignment error below 1\\%.
                      We also present universal pulse shapes and experimental
                      results for qutrit readout.},
      keywords     = {Quantum Physics (quant-ph) (Other) / Superconductivity
                      (cond-mat.supr-con) (Other) / Applied Physics
                      (physics.app-ph) (Other) / FOS: Physical sciences (Other)},
      cin          = {PGI-8 / PGI-13 / PGI-11 / PGI-2},
      cid          = {I:(DE-Juel1)PGI-8-20190808 / I:(DE-Juel1)PGI-13-20210701 /
                      I:(DE-Juel1)PGI-11-20170113 / I:(DE-Juel1)PGI-2-20110106},
      pnm          = {5221 - Advanced Solid-State Qubits and Qubit Systems
                      (POF4-522) / OpenSuperQPlus100 - Open Superconducting
                      Quantum Computers (OpenSuperQPlus) (101113946) / QCFD -
                      Quantum Computational Fluid Dynamics (101080085) / EXC
                      2004:  Matter and Light for Quantum Computing (ML4Q)
                      (390534769) / Verbundprojekt: German Quantum Computer based
                      on Superconducting Qubits (GEQCOS) - Teilvorhaben:
                      Charakterisierung, Kontrolle und Auslese (13N15685) / BMBF
                      13N16149 - QSolid - Quantencomputer im Festkörper
                      (BMBF-13N16149)},
      pid          = {G:(DE-HGF)POF4-5221 / G:(EU-Grant)101113946 /
                      G:(EU-Grant)101080085 / G:(BMBF)390534769 / G:(BMBF)13N15685
                      / G:(DE-Juel1)BMBF-13N16149},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.48550/ARXIV.2406.04891},
      url          = {https://juser.fz-juelich.de/record/1041442},
}