Anton Frisk Kockum
Showing 79 publications
Selective and efficient quantum state tomography for multiqubit systems
Scalable quantum simulator with an extended gate set in giant atoms
Overhead in Quantum Circuits with Time-Multiplexed Qubit Control
Generative flow-based warm start of the variational quantum eigensolver
Simulation of Quantum Computers: Review and Acceleration Opportunities
Dressed Interference in Giant Superatoms: Entanglement Generation and Transfer
Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture
Entangling Schrödinger's cat states by bridging discrete- and continuous-variable encoding
Impact of decoherence on the fidelity of quantum gates leaving the computational subspace
Deterministic Generation of Frequency-Bin-Encoded Microwave Photons
Gradient-descent methods for fast quantum state tomography
Simulating open quantum systems with giant atoms
Unconventional and robust light-matter interactions based on the non-Hermitian skin effect
Group Delay Controlled by the Decoherence of a Single Artificial Atom
Entanglement of photonic modes from a continuously driven two-level system
Tunable coherent microwave beam splitter and combiner at the single-photon level
Quantum Process Tomography with Digital Twins of Error Matrices
Measuring the quantum state of photoelectrons
Heralding entangled optical photons from a microwave quantum processor
Extended quantum process tomography of logical operations on an encoded bosonic qubit
Avoiding decoherence with giant atoms in a two-dimensional structured environment
Signal Crosstalk in a Flip-Chip Quantum Processor
Tuning atom-field interaction via phase shaping
Quantum amplification and simulation of strong and ultrastrong coupling of light and matter
Applying quantum approximate optimization to the heterogeneous vehicle routing problem
Unconventional saturation effects at intermediate drive in a lossy cavity coupled to few emitters
Mitigation of frequency collisions in superconducting quantum processors
Quantum process tomography of continuous-variable gates using coherent states
Giant emitters in a structured bath with non-Hermitian skin effect
Gaussian conversion protocol for heralded generation of generalized Gottesman-Kitaev-Preskill states
Interaction between giant atoms in a one-dimensional structured environment
Gradient-Descent Quantum Process Tomography by Learning Kraus Operators
Chiral quantum optics with giant atoms
The XYZ(2) hexagonal stabilizer code
Universal Fidelity Reduction of Quantum Operations from Weak Dissipation
Giant Atoms in a Synthetic Frequency Dimension
Error-rate-agnostic decoding of topological stabilizer codes
Organic charged polaritons in the ultrastrong coupling regime
Robust Preparation of Wigner-Negative States with Optimized SNAP-Displacement Sequences
Electrical control of quantum acoustics
Deterministic Loading of Microwaves onto an Artificial Atom Using a Time-Reversed Waveform
Deterministic one-way logic gates on a cloud quantum computer
Building blocks of a flip-chip integrated superconducting quantum processor
Quantum State Tomography with Conditional Generative Adversarial Networks ()
Tunable Chiral Bound States with Giant Atoms
Ultimate quantum limit for amplification: A single atom in front of a mirror
Engineering the level structure of a giant artificial atom in waveguide quantum electrodynamics
Fast Multiqubit Gates through Simultaneous Two-Qubit Gates
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering
Classification and reconstruction of optical quantum states with deep neural networks ()
Oscillating bound states for a giant atom
Waveguide quantum electrodynamics with superconducting artificial giant atoms
Simulating ultrastrong-coupling processes breaking parity conservation in Jaynes-Cummings systems
Deep Q-learning decoder for depolarizing noise on the toric code
Large Collective Lamb Shift of Two Distant Superconducting Artificial Atoms
Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs
Ultrastrong coupling between light and matter
Photodetection probability in quantum systems with arbitrarily strong light-matter interaction
Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics
Dissipation and thermal noise in hybrid quantum systems in the ultrastrong-coupling regime
Giant acoustic atom: A single quantum system with a deterministic time delay
Quantum Acoustics with Surface Acoustic Waves
Probing the quantum vacuum with an artificial atom in front of a mirror
Designing frequency-dependent relaxation rates and Lamb shifts for a giant artificial atom
Propagating phonons coupled to an artificial atom
Quantum Nondemolition Detection of a Propagating Microwave Photon
Giant Cross–Kerr Effect for Propagating Microwaves Induced by an Artificial Atom
Breakdown of the Cross-Kerr Scheme for Photon Counting
Undoing measurement-induced dephasing in circuit QED
Measurement Back-Action and Photon Detection in Microwave Quantum Optics
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Showing 6 research projects
High-quality quantum computers
Simulating non-Hermitian many-body topological phases with giant atoms (SING-ATOM)
Open Superconducting Quantum Computers (OpenSuperQPlus)
Quantum simulation and communication with giant atoms
Giant atoms - a new regime in quantum optics
Wallenberg Centre for Quantum Technology (WACQT)