[HTML][HTML] Measurement and control of a superconducting quantum processor with a fully integrated radio-frequency system on a chip

MO Tholén, R Borgani, GR Di Carlo… - Review of Scientific …, 2022 - pubs.aip.org
We describe a digital microwave platform called Presto, designed for measurement and
control of multiple quantum bits (qubits) and based on the third-generation radio-frequency …

Multipartite entanglement generation and dynamics of three giant atoms coupling to a one-dimensional waveguide

XS Ma, JH Quan, YN Lu, MT Cheng - Quantum Information Processing, 2023 - Springer
We study the multipartite entanglement generation and dynamics of three giant atoms
coupling to a one-dimensional waveguide. By solving the time-delayed differential …

Resonant parametric photon generation in waveguide-coupled quantum emitter arrays

ES Vyatkin, AV Poshakinskiy, AN Poddubny - Physical Review A, 2023 - APS
We have developed a theory of parametric photon generation in the waveguides coupled to
arrays of quantum emitters with temporally modulated resonance frequencies. Such …

Squeezing electronic noise with two tones

C Paradis, P Février, E Pinsolle, B Reulet - Applied Physics Letters, 2023 - pubs.aip.org
We have calculated and measured the effect of two ac excitations on the quantum shot noise
of a tunnel junction. Using a phase-sensitive detection, we demonstrate that the junction …

Multi-squeezed state generation and universal bosonic control via a driven quantum Rabi model

P McConnell, A Ferraro, R Puebla - arXiv preprint arXiv:2209.07958, 2022 - arxiv.org
Universal control over a bosonic degree of freedom is key in the quest for quantum-based
technologies. Such universal control requires however the ability to perform demanding non …

Entanglement of photonic modes from a continuously driven two-level system

J Yang, I Strandberg, A Vivas-Viana, A Gaikwad… - arXiv preprint arXiv …, 2024 - arxiv.org
The ability to generate entangled states of light is a key primitive for quantum communication
and distributed quantum computation. Continuously driven sources, including those based …

Minimal criteria for continuous-variable genuine multipartite entanglement

O Leskovjanová, L Mišta Jr - arXiv preprint arXiv:2401.04376, 2024 - arxiv.org
We derive a set of genuine multi-mode entanglement criteria for second moments of the
quadrature operators. The criteria have a common form of the uncertainty relation between …

Multipartite entanglement in a Josephson Junction Laser

B Lang, AD Armour - arXiv preprint arXiv:2410.00805, 2024 - arxiv.org
We analyse the entanglement in a model Josephson photonics system in which a dc voltage-
biased Josephson junction couples a collection of cavity modes and populates them with …

[HTML][HTML] Control of multi-modal scattering in a microwave frequency comb

JC Rivera Hernández, F Lingua, SW Jolin… - APL Quantum, 2024 - pubs.aip.org
Control over the coupling between multiple modes of a frequency comb is an important step
toward measurement-based quantum computation with a continuous-variable system. We …

Harnessing Quantum Resources in Superconducting Devices for Computing and Sensing

M Perelshtein - 2024 - aaltodoc.aalto.fi
Quantum resources play a pivotal role in the emerging field of quantum technologies,
underpinning the development of quantum computers, communication systems, and sensing …