Shortcuts to Adiabaticity for Fast Qubit Readout in Circuit Quantum Electrodynamics
arXiv:2201.06007 · doi:10.1103/PhysRevApplied.18.034010
Abstract
We propose how to engineer the longitudinal coupling to accelerate the measurement of a qubit longitudinally coupled to a cavity, motivated by the concept of shortcuts to adiabaticity. Different modulations are inversely designed from two methods of inverse engineering and counter-diabatic driving, for achieving larger values of the signal-to-noise ratio (SNR) at nanosecond scale. By comparison, we demonstrate that our protocols outperform the usual periodic modulations on the pointer state separation and SNR. Finally, we show a possible implementation considering state-of-the-art circuit quantum electrodynamics architecture, estimating the minimal time allowed for the measurement process.
6 pages, 6 figures
References in corpus (18)
- Charge insensitive qubit design derived from the Cooper pair box
- Superconducting Circuits and Quantum Information
- Approaching Unit Visibility for Control of a Superconducting Qubit with Dispersive Readout
- Controlling the spontaneous emission of a superconducting transmon qubit
- Dispersive regime of circuit QED: photon-dependent qubit dephasing and relaxation rates
- Single-shot qubit readout in circuit Quantum Electrodynamics
- Single-shot qubit readout in circuit Quantum Electrodynamics
- Ultrastrong coupling regime of cavity QED with phase-biased flux qubits
- Strong Coupling Cavity QED with Gate-Defined Double Quantum Dots Enabled by a High Impedance Resonator
- Shortcuts to Adiabaticity for the Quantum Rabi Model: Efficient Generation of Giant Entangled cat States via Parametric Amplification
- Machine learning for discriminating quantum measurement trajectories and improving readout
- Measurement-induced qubit state mixing in circuit QED from up-converted dephasing noise
- Rapid and Unconditional Parametric Reset Protocol for Tunable Superconducting Qubits
- Ultrastrong coupling dynamics with a transmon qubit
- Two-parameter counter-diabatic driving in quantum annealing
- Shortcuts to Adiabaticity for Open Systems in Circuit Quantum Electrodynamics
- Superconducting Quantum Circuits, Qubits and Computing
- Spin readout of trapped electron qubits