Göran Johansson
Professor in Applied and Theoretical Quantum Physics at Chalmers University of Technology, Göteborg, Sweden
Visar 108 publikationer
Shortcut to Self-Consistent Light-Matter Interaction and Realistic Spectra from First Principles
Non-Markovian Steady States of a Driven Two-Level System
Universal Fidelity Reduction of Quantum Operations from Weak Dissipation
Building blocks of a flip-chip integrated superconducting quantum processor
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering
Fast Multiqubit Gates through Simultaneous Two-Qubit Gates
Quantum efficiency, purity and stability of a tunable, narrowband microwave single-photon source
Generating Two Continuous Entangled Microwave Beams Using a dc-Biased Josephson Junction
Wigner negativity in the steady-state output of a Kerr parametric oscillator
Semiclassical analysis of dark-state transient dynamics in waveguide circuit QED
Universal Gate Set for Continuous-Variable Quantum Computation with Microwave Circuits
Oscillating bound states for a giant atom
Ultrastrong coupling between nanoparticle plasmons and cavity photons at ambient conditions
Tripartite Genuine Non-Gaussian Entanglement in Three-Mode Spontaneous Parametric Down-Conversion
A comparison between quantum and classical noise radar sources
Applying the Quantum Approximate Optimization Algorithm to the Tail-Assignment Problem
Listening to the quantum vacuum: A perspective on the dynamical Casimir effect
Numerical study of Wigner negativity in one-dimensional steady-state resonance fluorescence
Simulating moving cavities in superconducting circuits
Cavity-free vacuum-Rabi splitting in circuit quantum acoustodynamics
Towards phonon routing: controlling propagating acoustic waves in the quantum regime
Resonant and off-resonant microwave signal manipulation in coupled superconducting resonators
Microwave photon generation in a doubly tunable superconducting resonator
Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics
Steady-State Generation of Wigner-Negative States in One-Dimensional Resonance Fluorescence
Generating Multimode Entangled Microwaves with a Superconducting Parametric Cavity
Multiplying and detecting propagating microwave photons using inelastic Cooper-pair tunneling
Giant acoustic atom: A single quantum system with a deterministic time delay
Towards universal quantum computation through relativistic motion
Correlated Cooper pair transport and microwave photon emission in the dynamical Coulomb blockade
Simple, robust, and on-demand generation of single and correlated photons
Detecting itinerant single microwave photons
Experimental Test of the Entanglement of Radiation Generated by the Dynamical Casimir Effect
Quantum Acoustics with Surface Acoustic Waves
Motion and gravity effects in the precision of quantum clocks
Antibunched Photons from Inelastic Cooper-Pair Tunneling
Quantum discord in the dynamical Casimir effect
Probing the quantum vacuum with an artificial atom in front of a mirror
Input-output description of microwave radiation in the dynamical Coulomb blockade
Designing frequency-dependent relaxation rates and Lamb shifts for a giant artificial atom
Twin paradox with macroscopic clocks in superconducting circuits
Scattering of coherent pulses on a two-level system-single-photon generation
Nonabsorbing high-efficiency counter for itinerant microwave photons
Quantum Nondemolition Detection of a Propagating Microwave Photon
Optomechanical-like coupling between superconducting resonators
Dynamical Casimir Effect Entangles Artificial Atoms
Propagating phonons coupled to an artificial atom
Storage and on-demand release of microwaves using superconducting resonators with tunable coupling
Reversing Quantum Trajectories with Analog Feedback
Partial-Measurement Backaction and Nonclassical Weak Values in a Superconducting Circuit
Giant Cross–Kerr Effect for Propagating Microwaves Induced by an Artificial Atom
Nonclassical Photon Pair Production in a Voltage-Biased Josephson Junction
Thermal properties of charge noise sources
Proposal for a coherent quantum memory for propagating microwave photons
Microwave quantum optics with an artificial atom in one-dimensional open space
Relativistic Quantum Teleportation with Superconducting Circuits
Producing correlated photons using superconducting circuits
Scattering of coherent states on a single artificial atom
Steady state entanglement of two superconducting qubits engineered by dissipation
Approaching the strong coupling limit in single plasmonic nanorods interacting with J-aggregates
Breakdown of the Cross-Kerr Scheme for Photon Counting
Nonclassical microwave radiation from the dynamical Casimir effect
Undoing measurement-induced dephasing in circuit QED
Local probing of propagating acoustic waves in a gigahertz echo chamber
Generation of Nonclassical Microwave States Using an Artificial Atom in 1D Open Space
Coupling of an erbium spin ensemble to a superconducting resonator
A practical photon-number-resolving detector in the microwave regime
Demonstration of a Single-Photon Router in the Microwave Regime
Approaching perfect microwave photodetection in circuit QED
Observation of the dynamical Casimir effect in a superconducting circuit
Excess Dissipation in a Single-Electron Box: The Sisyphus Resistance
High-fidelity feedback-assisted parity measurement in circuit QED
Dynamical Casimir effect in superconducting microwave circuits
Dressed relaxation and dephasing in a strongly driven two-level system
Dynamical Casimir Effect in a Superconducting Coplanar Waveguide
Proposal for generating and detecting multi-qubit GHZ states in circuit QED
Implementation of the three-qubit phase-flip error correction code with superconducting qubits
Fast tuning of superconducting microwave cavities
Tuning the field in a microwave resonator faster than the photon lifetime
Simultaneous readout of two charge qubits
Coherence times of dressed states of a superconducting qubit under extreme driving
Dispersive Charge and Flux Qubit Readout as a Quantum Measurement Process
Crossover from time-correlated single-electron tunneling to that of Cooper pairs
Quasiparticle Poisoning in a Single Cooper-Pair Box
Fast quantum limited readout of a superconducting qubit using a slow oscillator
Readout methods and devices for Josephson-junction-based solid-state qubits
Observation of quantum capacitance in the cooper-pair transistor
Measuring non-Gaussian fluctuations through incoherent Cooper pair current
Cavity QED in superconducting circuits: susceptibility at elevated temperatures
Coherent current transport in wide ballistic Josephson junctions
Full counting statistics of multiple Andreev reflection
Coherent multiple Andreev reflections and current resonances in SNS quantum point contacts
Multiple Andreev Reflection - a Microscopic Theory of ac Josephson Effect in Mesoscopic Junctions
Small superconducting junctions or numerical experiments on multiple Andreev reflections
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Visar 7 forskningsprojekt
Kvantnätverk med fördröjning och transmissionsledningar med hög impedans
Kvantinformation med mikrovågor och ytakustiska vågor
Kvantplasmonik – en teknologi för foton-fotonväxelverkan på kvantnivå vid rumstemperatur
Fotonkondensat och relativistisk fysik på ett mikrochip
Att skräddarsy supraledande kretsar för kvantinformation
Quantum Propagating Microwaves in Strongly Coupled Environments (PROMISCE)
Teori för Kvantinformation och Kvantoptik i Supraledande Kretsar