activity
20192022
most citedBenchmarking Coherent Errors in Controlled-Phase Gates due to Spectator Qubits

73 citations · 79 across the 2 of their papers we have counts for

collaborators

6 papers

quant-ph20226 cited

Frequency Up-Conversion Schemes for Controlling Superconducting Qubits

Johannes Herrmann, Christoph Hellings, Stefania Lazar +8

High-fidelity control of superconducting qubits requires the generation of microwave-frequency pulses precisely tailored on nanosecond timescales. These pulses are most commonly sy…

quant-ph2020

Implementation of Conditional-Phase Gates based on tunable ZZ-Interactions

Michele C. Collodo, Johannes Herrmann, Nathan Lacroix +7

High fidelity two-qubit gates exhibiting low crosstalk are essential building blocks for gate-based quantum information processing. In superconducting circuits two-qubit gates are…

quant-ph202073 cited

Benchmarking Coherent Errors in Controlled-Phase Gates due to Spectator Qubits

S. Krinner, S. Lazar, A. Remm +7

A major challenge in operating multi-qubit quantum processors is to mitigate multi-qubit coherent errors. For superconducting circuits, besides crosstalk originating from imperfect…

quant-ph2020

Improving the Performance of Deep Quantum Optimization Algorithms with Continuous Gate Sets

Nathan Lacroix, Christoph Hellings, Christian Kraglund Andersen +9

Variational quantum algorithms are believed to be promising for solving computationally hard problems and are often comprised of repeated layers of quantum gates. An example thereo…

quant-ph2019

Repeated Quantum Error Detection in a Surface Code

Christian Kraglund Andersen, Ants Remm, Stefania Lazar +6

The realization of quantum error correction is an essential ingredient for reaching the full potential of fault-tolerant universal quantum computation. Using a range of different s…

quant-ph2019

Entanglement Stabilization using Parity Detection and Real-Time Feedback in Superconducting Circuits

Christian Kraglund Andersen, Ants Remm, Stefania Balasiu +6

Fault tolerant quantum computing relies on the ability to detect and correct errors, which in quantum error correction codes is typically achieved by projectively measuring multi-q…