Per Delsing
Per Delsing is a full professor at Chalmers University of Technology since 1997. His research focuses on quantum properties of superconducting devices. With artificial atoms based on superconducting circuits he studies quantum optics on chip by investigating how these ”atoms" interact with microwave photons. Placing the artificial atoms on piezoelectric surfaces it is also possible to study how the atoms interact with phonons if the form of Surface Acoustic Waves (SAWs). He also studies quantum information using superconducting qubits, with the final goal to build a quantum computer.
Per is teaching a course on Superconductivity and low temperature physics.
Per is a member of the Royal Swedish Academy of Sciences (KVA), and of the Royal Academy of Engineering Sciences (IVA). He is also a Distinguished Professor appointed by the Swedish Research Council (VR), Fellow of the American Physical Society (APS) and a Wallenberg Scholar.
Showing 127 publications
Universal control of a bosonic mode via drive-activated native cubic interactions
Fast generation of Schrödinger cat states using a Kerr-tunable superconducting resonator
Experimental Evaluation of Moving Target Compensation in High Time-Bandwidth Noise Radar
High-Gain Traveling-Wave Parametric Amplifier Based on Three-Wave Mixing
Experimental Analysis of a Clutter Suppression Algorithm for High Time-Bandwidth Noise Radar
Resolving Fock states near the Kerr-free point of a superconducting resonator
Implementation of a coherent real-time noise radar system
Bistatic noise radar: Demonstration of correlation noise suppression
Quantum process tomography of continuous-variable gates using coherent states
Controlling Atom-Photon Bound States in an Array of Josephson-Junction Resonators
Squeezing and Multimode Entanglement of Surface Acoustic Wave Phonons
Robust Preparation of Wigner-Negative States with Optimized SNAP-Displacement Sequences
Deterministic Loading of Microwaves onto an Artificial Atom Using a Time-Reversed Waveform
Ultimate quantum limit for amplification: A single atom in front of a mirror
Acoustic spectral hole-burning in a two-level system ensemble
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering
Quantum efficiency, purity and stability of a tunable, narrowband microwave single-photon source
Phononic loss in superconducting resonators on piezoelectric substrates
High quality three-dimensional aluminum microwave cavities
Electromagnetically Induced Acoustic Transparency with a Superconducting Circuit
Primary Thermometry of Propagating Microwaves in the Quantum Regime
Large Collective Lamb Shift of Two Distant Superconducting Artificial Atoms
The 2019 surface acoustic waves roadmap
Non-exponential decay of a giant artificial atom
Cavity-free vacuum-Rabi splitting in circuit quantum acoustodynamics
Decoherence benchmarking of superconducting qubits
Resonant and off-resonant microwave signal manipulation in coupled superconducting resonators
Towards phonon routing: controlling propagating acoustic waves in the quantum regime
Nondegenerate parametric oscillations in a tunable superconducting resonator
Microwave photon generation in a doubly tunable superconducting resonator
Period multiplication in a parametrically driven superconducting resonator
Period-tripling subharmonic oscillations in a driven superconducting resonator
Surface acoustic wave unidirectional transducers for quantum applications
Towards universal quantum computation through relativistic motion
Simple, robust, and on-demand generation of single and correlated photons
Experimental Test of the Entanglement of Radiation Generated by the Dynamical Casimir Effect
Single-shot read-out of a superconducting qubit using a Josephson parametric oscillator
Quantum Acoustics with Surface Acoustic Waves
Characterization of a multimode coplanar waveguide parametric amplifier
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
Dynamical Casimir Effect Entangles Artificial Atoms
Charge transport in InAs nanowire Josephson junctions
Propagating phonons coupled to an artificial atom
Storage and on-demand release of microwaves using superconducting resonators with tunable coupling
Twin paradox with macroscopic clocks in superconducting circuits
Fabrication of large dimension aluminum air-bridges for superconducting quantum circuits
Giant Cross–Kerr Effect for Propagating Microwaves Induced by an Artificial Atom
Thermal properties of charge noise sources
Scattering of coherent states on a single artificial atom
Breakdown of the Cross-Kerr Scheme for Photon Counting
Nonclassical microwave radiation from the dynamical Casimir effect
Microwave quantum optics with an artificial atom in one-dimensional open space
Generation of Nonclassical Microwave States Using an Artificial Atom in 1D Open Space
Coupling of an erbium spin ensemble to a superconducting resonator
Local probing of propagating acoustic waves in a gigahertz echo chamber
High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions
Parametric oscillators based on superconducting circuits
Andreev tunneling in charge pumping with SINIS turnstiles
Demonstration of a Single-Photon Router in the Microwave Regime
Observation of the dynamical Casimir effect in a superconducting circuit
An On-Chip Mach-Zehnder Interferometer in the Microwave Regime
Photon Generation in an Electromagnetic Cavity with a Time-Dependent Boundary
Fast readout of a single Cooper-pair box using its quantum capacitance
Dressed relaxation and dephasing in a strongly driven two-level system
Excess Dissipation in a Single-Electron Box: The Sisyphus Resistance
Progress in the development of a single Cooper-pair box qubit
Improvement of chip design to reduce resonances in subgap regime of Josephson junctions
Measurement of the shot noise in a single-electron transistor
Exploring circuit quantum electrodynamics using a widely tunable superconducting resonator
Tuning the field in a microwave resonator faster than the photon lifetime
Charge noise in single-electron transistors and charge qubits may be caused by metallic grains
Kinetics of nonequilibrium quasiparticle tunneling in superconducting charge qubits
Fast tuning of superconducting microwave cavities
A Radio Frequency Single-Electron Transistor Based on an InAs/InP Heterostructure Nanowire
Crossover from time-correlated single-electron tunneling to that of Cooper pairs
Energy level quantization in a YBa2Cu3O7-x Josephson junction
Electrons go surfing one by one
Acousto-electric single-photon detector
Experimental realization of a differential charge qubit
Coherence times of dressed states of a superconducting qubit under extreme driving
Macroscopic Quantum Phenomena in High Critical Temperature Superconducting Josephson Junctions
Line Widths of Single-Electron Tunneling Oscillations: Experiment and Numerical Simulations
Characterization of a differential radio-frequency single-electron transistor
An ultrasensitive radio-frequency single-electron transistor working up to 4.2K
A single electron transistor on an atomic force microscope probe
Experimental Realization of a Differential Radio-Frequency Single-Electron Transistor
Cryogenic amplifier for intermediate source impedance with gigahertz bandwidth
Quantum dynamics of a d-wave Josephson junction
Quasiparticle Poisoning in a Single Cooper-Pair Box
Observation of quantum capacitance in the cooper-pair transistor
The single Cooper-pair box as a charge qubit
Current measurement by real-time counting of single electrons
Planar S-F-S Josephson junctions made by focused ion beam etching
Collapse of thermal activation in moderately damped Josephson junctions
Single-electron transistor backaction on the single-electron box
Backaction effects of a SSET measuring a qubit spectroscopy and ground state measurement
Macroscopic quantum tunneling in d-wave YBa2Cu3O7-delta josephson junctions
Direct observation of time correlated single-electron tunneling
Correlated quantization of supercurrent and conductance in a superconducting quantum point contact
Vesicle and bi-layer kinetics at surfaces measured by electrical transmission
Tunability of a 2e periodic single Cooper pair box
Experimental test of the correction terms for Coulomb blockade thermometry
Micromachining of Silicon for Thermal and Position-Sensitive Nuclear-Detector Applications
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Showing 11 research projects
Quantum Sound: Generating and manipulating phonons at the quantum level
Quantum states of photons and relativistic physics on a chip
Propagating phonons and photons and their interaction with qubits
Using the dynamical Casimir effect to generate entanglement
Scalable Superconducting Processors for Entangled Quantum Information Technology (ScaleQIT)
Studying propagating acoustic waves at the single phonon level.
Ecosystems Technology and Design for Nanoeletronics (NANO-TEC)
Solid State Systems for Quantum Information Processing
Single Cooper Pair Electronics (SCOPE)