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: Demonstration of measurement-free universal fault-tolerant quantum computation
Demonstration of measurement-free universal fault-tolerant quantum computation Open
The ability to perform quantum error correction (QEC) and robust gate operations on encoded qubits opens the door to demonstrations of quantum algorithms. Contemporary QEC schemes typically require mid-circuit measurements with feed-forwar…
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 …