activity
20152021
most citedRealization of efficient quantum gates with a superconducting qubit-qutrit circuit

62 citations · 185 across the 9 of their papers we have counts for

collaborators

9 papers

quant-ph2021★ 9 cited

Application of the Diamond Gate in Quantum Fourier Transformations and Quantum Machine Learning

E. Bahnsen, S. E. Rasmussen, N. J. S. Loft +1

As we are approaching actual application of quantum technology, it is essential to exploit the current quantum resources in the best possible way. With this in mind, it might not b…

quant-ph2021★ 6 cited

The superconducting circuit companion -- an introduction with worked examples

S. E. Rasmussen, K. S. Christensen, S. P. Pedersen +4

This tutorial aims at giving an introductory treatment of the circuit analysis of superconducting qubits, i.e., two-level systems in superconducting circuits. It also touches upon…

quant-ph2020★ 20 cited

Reducing the amount of single-qubit rotations in VQE and related algorithms

S. E. Rasmussen, N. J. S. Loft, T. Bækkegaard +2

With the advent of hybrid quantum classical algorithms using parameterized quantum circuits the question of how to optimize these algorithms and circuits emerges. In this paper we…

quant-ph2018★ 15 cited

Quantum interference device for controlled two-qubit operations

Niels Jakob Søe Loft, Morten Kjaergaard, Lasse Bjørn Kristensen +5

Universal quantum computing relies on high-fidelity entangling operations. Here we demonstrate that four coupled qubits can operate as a quantum gate, where two qubits control the…

quant-ph2018★ 62 cited

Realization of efficient quantum gates with a superconducting qubit-qutrit circuit

T. Bækkegaard, L. B. Kristensen, N. J. S. Loft +3

Building a quantum computer is a daunting challenge since it requires good control but also good isolation from the environment to minimize decoherence. It is therefore important t…

cond-mat.quant-gas2017★ 9 cited

A mixed dimensional Bose polaron

Niels Jakob Søe Loft, Zhigang Wu, Georg M. Bruun

A new generation of cold atom experiments trapping atomic mixtures in species selective optical potentials opens up the intriguing possibility to create systems in which different…