Accelerating adiabatic protocols for entangling two qubits in circuit QED

Abstract

We introduce a method to speed up adiabatic protocols for creating entanglement between two qubits dispersively coupled to a transmission line, while keeping fidelities high and maintaining robustness to control errors. The method takes genuinely adiabatic sweeps, ranging from a simple Landau-Zener drive to boundary cancellation methods and local adiabatic drivings, and adds fast oscillations to speed up the protocol while canceling unwanted transitions. We compare our protocol with existing adiabatic methods in a state-of-the-art parameter range and show substantial gains. Numerical simulations emphasize that this strategy is efficient also beyond the rotating-wave approximation and that the method is robust against random static biases in the control parameters and with respect to damping and decoherence effects.

15 pages, 9 figures

References in corpus (39)

• Charge insensitive qubit design derived from the Cooper pair box
• Cavity quantum electrodynamics for superconducting electrical circuits: an architecture for quantum computation
• Quantum information with Rydberg atoms
• Logic gates at the surface code threshold: Superconducting qubits poised for fault-tolerant quantum computing
• Coupling Superconducting Qubits via a Cavity Bus
• Microwave photonics with superconducting quantum circuits
• Universal High-Frequency Behavior of Periodically Driven Systems: from Dynamical Stabilization to Floquet Engineering
• Demonstration of Two-Qubit Algorithms with a Superconducting Quantum Processor
• Quantum computing with trapped ions
• The Magnus expansion and some of its applications
• Quantum information processing with superconducting circuits: a review
• Landau-Zener-Stuckelberg interferometry
• Quantum information processing with circuit quantum electrodynamics
• Shortcuts to adiabaticity
• Quantum Search by Local Adiabatic Evolution
• Building logical qubits in a superconducting quantum computing system
• Realization of Three-Qubit Quantum Error Correction with Superconducting Circuits
• Preparation and Measurement of Three-Qubit Entanglement in a Superconducting Circuit
• Qubit architecture with high coherence and fast tunable coupling
• Shortcuts to adiabaticity by counter-diabatic driving
• Climbing the Jaynes-Cummings Ladder and Observing its Sqrt(n) Nonlinearity in a Cavity QED System
• High-fidelity quantum driving
• Realization of Deterministic Quantum Teleportation with Solid State Qubits
• Experimentally simulating the dynamics of quantum light and matter at ultrastrong coupling
• Fast adiabatic qubit gates using only ${\sigma }_z$ control
• Consistency of the Adiabatic Theorem
• Quantum Adiabatic Brachistochrone
• Tunable coupling in circuit quantum electrodynamics with a superconducting V-system
• Superadiabatic population transfer in a three-level superconducting circuit
• Adiabatic approximation with exponential accuracy for many-body systems and quantum computation
• A superconducting qubit with Purcell protection and tunable coupling
• Geometric Speed Limit of Accessible Many-Body State Preparation
• Accuracy vs run time in adiabatic quantum search
• Fast adiabatic evolution by oscillating initial Hamiltonians
• Cavity-Mediated Entanglement Generation Via Landau-Zener Interferometry
• Floquet-engineered quantum state manipulation in a noisy qubit
• Optimal superadiabatic population transfer and gates by dynamical phase corrections
• Controllable high-fidelity quantum state transfer and entanglement generation in circuit QED
• Superadiabatic driving of a three-level quantum system

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• Digitized-counterdiabatic quantum approximate optimization algorithm
• Counterdiabatic Optimised Local Driving
• Quantum simulation of three-body interactions in weakly driven quantum systems
• Adiabatic landscape and optimal paths in ergodic systems
• Counterdiabatic Driving for Periodically Driven Systems
• Quantum control by effective counterdiabatic driving
• Shortcut-to-Adiabatic Controlled-Phase Gate in Rydberg Atoms
• Shortcut-to-adiabaticity-like techniques for parameter estimation in quantum metrology
• Comparison of Two Optimization Methods for a Rydberg Quantum Gate
• High-fidelity quantum control via Autler-Townes splitting
• Reversing adiabatic state preparation in few-level quantum systems
• Improving Variational Counterdiabatic Driving with Weighted Actions and Computer Algebra
• Geometric Quantum Gates of Non-closed Paths Under Counterdiabatic Driving
• Counterdiabatic driving for random-gap Landau-Zener transitions