Friederike Butt
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View article: Demonstration of Two-Dimensional Connectivity for a Scalable Error-Corrected Ion-Trap Quantum Processor Architecture
Demonstration of Two-Dimensional Connectivity for a Scalable Error-Corrected Ion-Trap Quantum Processor Architecture Open
A major hurdle for building a large-scale quantum computer is increasing the number of qubits while maintaining connectivity between them. In trapped-ion devices, this connectivity can be achieved by moving subregisters consisting of a few…
View article: Measurement-Free Quantum Error Correction Optimized for Biased Noise
Measurement-Free Quantum Error Correction Optimized for Biased Noise Open
In this paper, we derive optimized measurement-free protocols for quantum error correction and the implementation of a universal gate set optimized for an error model that is noise biased. The noise bias is adapted for neutral-atom platfor…
View article: Measurement-free, scalable, and fault-tolerant universal quantum computing
Measurement-free, scalable, and fault-tolerant universal quantum computing Open
Reliable execution of large-scale quantum algorithms requires robust underlying operations, which is addressed by quantum error correction (QEC). Most modern QEC protocols rely on measurements and feed-forward operations, which are experim…
View article: Measurement-free quantum error correction optimized for biased noise
Measurement-free quantum error correction optimized for biased noise Open
In this paper, we derive optimized measurement-free protocols for quantum error correction and the implementation of a universal gate set optimized for an error model that is noise biased . The noise bias is adapted for neutral atom platfo…
View article: Measurement-free, scalable and fault-tolerant universal quantum computing
Measurement-free, scalable and fault-tolerant universal quantum computing Open
Reliable execution of large-scale quantum algorithms requires robust underlying operations and this challenge is addressed by quantum error correction (QEC). Most modern QEC protocols rely on measurements and feed-forward operations, which…
View article: Demonstration of Fault-Tolerant Steane Quantum Error Correction
Demonstration of Fault-Tolerant Steane Quantum Error Correction Open
Encoding information redundantly using quantum error-correcting (QEC) codes allows one to overcome the inherent sensitivity to noise in quantum computers to ultimately achieve large-scale quantum computation. The Steane QEC method involves…
View article: Demonstration of two-dimensional connectivity for a scalable error-corrected ion-trap quantum processor architecture
Demonstration of two-dimensional connectivity for a scalable error-corrected ion-trap quantum processor architecture Open
A major hurdle for building a large-scale quantum computer is increasing the number of qubits while maintaining connectivity between them. In trapped-ion devices, this connectivity can be achieved by moving subregisters consisting of a few…
View article: Fault-Tolerant Code-Switching Protocols for Near-Term Quantum Processors
Fault-Tolerant Code-Switching Protocols for Near-Term Quantum Processors Open
Topological color codes are widely acknowledged as promising candidates for fault-tolerant quantum computing. Neither a two-dimensional nor a three-dimensional topology, however, can provide a universal gate set {, , }, with the gate missi…
View article: Experimental fault-tolerant code switching
Experimental fault-tolerant code switching Open
Quantum error correction is a crucial tool for mitigating hardware errors in quantum computers by encoding logical information into multiple physical qubits. However, no single error-correcting code allows for an intrinsically fault-tolera…
View article: Demonstration of fault-tolerant Steane quantum error correction
Demonstration of fault-tolerant Steane quantum error correction Open
Source data underlying the graphical representations used in the figures and corresponding executed quantum circuits.
View article: Demonstration of fault-tolerant Steane quantum error correction
Demonstration of fault-tolerant Steane quantum error correction Open
Encoding information redundantly using quantum error-correcting (QEC) codes allows one to overcome the inherent sensitivity to noise in quantum computers to ultimately achieve large-scale quantum computation. The Steane QEC method involves…
View article: Demonstration of fault-tolerant Steane quantum error correction
Demonstration of fault-tolerant Steane quantum error correction Open
Source data underlying the graphical representations used in the figures and corresponding executed quantum circuits.
View article: Fault-Tolerant Code Switching Protocols for Near-Term Quantum Processors
Fault-Tolerant Code Switching Protocols for Near-Term Quantum Processors Open
Topological color codes are widely acknowledged as promising candidates for fault-tolerant quantum computing. Neither a two-dimensional nor a three-dimensional topology, however, can provide a universal gate set $\{$H, T, CNOT$\}$, with th…
View article: Flopping-mode electron dipole spin resonance in the strong-driving regime
Flopping-mode electron dipole spin resonance in the strong-driving regime Open
Achieving high fidelity control of spin qubits with conventional electron\ndipole spin resonance (EDSR) requires large magnetic field gradients of about 1\nmT/nm, which also couple the qubit to charge noise, and large drive amplitudes\nof …