T. McBroom-Carroll, A. Schlabes, X. Xu, J. Ku, B. Cole, S. Indrajeet, M. LaHaye, M. Ansari, and B. Plourde, Entangling Interactions Between Artificial Atoms Mediated by a Multimode Left-Handed Superconducting Ring Resonator, PRX Quantum 5, 020325 (2024); DOI (May 2024)
X. Xu, Manabputra, C. Vignes, M. Ansari, J. Martinis, Lattice Hamiltonians and Stray Interactions Within Quantum Processors, arXiv:2402.09145 (2024)
Many congrats to Ms. Chloe Vignes for successfuly defending her thesis with highest honor "summa cum laude". She will join Massachusette Institute of Technology in the PhD capacity. [Sep 2023]
My research was funded by OpenSuperQPlus [Sep 2023]
Congratulations to Ms. Stefania-Rebekka Symeonidou, for successfully defending her Bachelor's thesis on The Variational Quantum Eigensolver in Quantum Chemistry with PennyLane with the highest grade [Sep 2023]
Our preprint: Entangling interactions between artificial atoms mediated by a multimode left-handed superconducting ring resonator [Aug 2023]
Congratulations to Mr. Jiaqi Ai for successfully defending his Master's thesis on Hamiltonian Active Learning in Quantum Superconducting Systems [July 2023]
Congratulations to Mr. Tobias Kempe for successfully defending his Master's thesis on Intermediate State Prediction in the Formation of Topologically Associated Chromatin Domains using Quantum Annealing [July 2023]
Congratulations to Mr. Rahul Bhomwick for successfully defending his Master's thesis on Implementing Mulit-qubit Gates in Cat Qubits. [June 2023]
A preprint: Error mitigation of entangled states using brainbox [Mar 2023]
A paper in Physical Review Applied, Parasitic-Free Gate: An Error-Protected Cross-Resonance Switch in Weakly Tunable Architectures [March 2023]
APS March Meeting 2024 Presentations by my group in Minneapolis, USA (March 2024)
B47.00013 Continuous fSim Gate Using Bichromatic Parametric Drives for Superconducting Qubits
EE01.00008 Entropy production of a qubit out of the perturbative regime
G48.00004 The effect of spectator qubit on CR gate performance
G48.00005 Stray multiqubit interactions in quantum processors
J00.00247 Combining two gates in one
J00.00250 Parasitic free gate: An Error-Protected Cross-Resonance Switch in Weakly Tunable Architectures
J00.00307 Performing high-fidelity single qubit gates on the biased noise architecture of Kerr-Cat qubits
N00.00206 Entropy flow in CR-gate
NN00.00042 Extended Keldysh formalism for entropy evaluation
Z47.00009 Analysis of the coupling strength between transmons interacting via Left-Handed metamaterials
List of talks from my group members at APS March meeting 2023 Las Vegas [March 2023]
A73.00006 Multimode entangling interactions between transmons coupled through a metamaterial ring-resonator: theory
A73 Multimode entangling interactions between transmons coupled through a metamaterial ring-resonator: experiment
A75 Automated effective circuit Hamiltonian learning with autoencoders
G00 Brain-Box Quantum Autoencoder for entangled state production
G00 Precise Parameter Matching for Kerr-Cat Qubits
DD01 Parasitic free gate
DD01 Theoretical modelling of superconducting granular Aluminum nanowire qubits
DD01.00041: Improve the Pauli coefficient measurement with Active Learning
EE04 Chromatin domains with quantum annealing
JJ04 Three-qubit interaction in superconducting circuits
JJ04 Non-perturbative analysis of parametric two-qubit and three-qubit gates
JJ04 Detuned two-qubit gate in stabilized cat qubits
SS01 Interplay of embedding and chip connectivity in quantum annealing
A Patent: X. Xu and M. Ansari, Circuit with coupled qubits with different anharmonic energy spectrum (Google Patent link) [Dec 2022]
A patent: X. Xu, and M. Ansari, Method of operating a circuit with a first and a second qubit (Google Patent link) [Nov 2022]
My research has been funded for QSolid [Mar 2022]
List of talks given at APS March Meeting by members of my group: Link [Mar 2022]
Welcome to our new Ph.D. student, Arne Schlabes! [Feb 2022]
Zhongyi Jiang joined my group as a new Ph.D. student. Welcome! [Jan 2022]
Arne Schlabes successfully defended his Master's thesis at RWTH University in Aachen. [Dec 2021]
Dr. Xuexin Xu joined my group at FZJ as a postdoctoral fellow [Nov 2021]
Our paper is now in Physical Review Applied about a new symmetry in superconducting qubits (July 2021).
Mohammad Ansari has been promoted to a tenured position at FZJ/RWTH Aachen (May 2021).
News about our research in Inside FZJ: "Like Yin and Yang" pdf (Feb 2021)
Our research is in the news: "Liberating Quantum Processors from Parasitic Interactions" FZJ news, (Dec 2020)
Frequently I accept graduate students and postdocs. If interested, email me.
Congrats to Manabputra for successfully defending his thesis and starting Ph.D. in the US. [Aug 2021]
Jósephine Pazem joined our group (May 2021).
Xuexin Xu successfully defended his Ph.D. thesis at RWTH [Sep 2021]
Our paper titled "Suppression of Unwanted ZZ Interactions in a Hybrid Two-Qubit System" has been published in Physical Review Letters of 13 Nov 2020
A PhD position is available in my group, see ad [Dec 2021]
Our new theory paper is now calling experimentalists to verify a new symmetry in superconducting circuits (July 2021).
Jósephine Pazem joined our group (May 2021).
Mohammad Ansari has been promoted to a tenured position at FZJ/RWTH Aachen (May 2021).
A new PhD position is available in my group on superconducting qubit topic, Apply here (April 2021)
News about our research in Inside FZJ: "Like Yin and Yang" pdf (Feb 2021)
Our research is in the news: "Liberating Quantum Processors from Parasitic Interactions" FZJ news, (Dec 2020)
Our paper titled "Suppression of Unwanted ZZ Interactions in a Hybrid Two-Qubit System" has been published in Physical Review Letters of 13 Nov 2020,
2 new students join our team: Arne Schlabes and Manabputra,
Our new paper: "ZZ freedom in two qubit gates" arXiv:2009.00485,
Frequently I accept graduate students and postdocs. If interested, email me.