Ultrafast superconducting qubit readout with the quarton coupler
Fast, high-fidelity, and quantum nondemolition (QND) qubit readout is an essential element
of quantum information processing. For superconducting qubits, state-of-the-art readout is …
of quantum information processing. For superconducting qubits, state-of-the-art readout is …
[HTML][HTML] Exploring quantum thermodynamics with NMR
Quantum thermodynamics seeks to extend non-equilibrium stochastic thermodynamics to
small quantum systems where non-classical features are essential to its description. Such a …
small quantum systems where non-classical features are essential to its description. Such a …
Inherent thermal-noise problem in addressing qubits
S Simbierowicz, M Borrelli, V Monarkha, V Nuutinen… - PRX Quantum, 2024 - APS
Qubit-specific measurement in a superconducting quantum processor requires physical
interconnects that traverse 4 orders of magnitude in temperature from 293 K to 10 mK …
interconnects that traverse 4 orders of magnitude in temperature from 293 K to 10 mK …
All-thermal reversal of heat currents using qutrits
IA Picatoste, R Sánchez - Physical Review A, 2024 - APS
Few-level systems coupled to thermal baths provide useful models for quantum
thermodynamics and to understand the role of heat currents in quantum information settings …
thermodynamics and to understand the role of heat currents in quantum information settings …
Photon-number resolution with microwave Josephson photomultipliers
We study counting photons confined in a mode of a microwave resonator via repeated
measurements by a Josephson photomultiplier (JPM). The considered JPM is essentially a …
measurements by a Josephson photomultiplier (JPM). The considered JPM is essentially a …
Lecture Notes on Quantum Electrical Circuits
During the last 30 years, stimulated by the quest to build superconducting quantum
processors, a theory of quantum electrical circuits has emerged and this theory goes under …
processors, a theory of quantum electrical circuits has emerged and this theory goes under …
Generation of density matrices for two qubits using coherent and incoherent controls
OV Morzhin, AN Pechen - Lobachevskii Journal of Mathematics, 2021 - Springer
In this work, we consider a pair of qubits controlled by coherent and incoherent controls. The
dynamics of the two-qubit system is driven by a Gorini–Kossakowsky–Sudarchhan–Lindblad …
dynamics of the two-qubit system is driven by a Gorini–Kossakowsky–Sudarchhan–Lindblad …
Sequential quantum simulation of spin chains with a single circuit QED device
Quantum simulations of many-body systems in materials science and chemistry are
promising application areas for quantum computers. However, the limited scale and …
promising application areas for quantum computers. However, the limited scale and …
Heat bath in a quantum circuit
JP Pekola, B Karimi - Entropy, 2024 - mdpi.com
We discuss the concept and realization of a heat bath in solid state quantum systems. We
demonstrate that, unlike a true resistor, a finite one-dimensional Josephson junction array or …
demonstrate that, unlike a true resistor, a finite one-dimensional Josephson junction array or …
Tuning nonequilibrium heat current and two-photon statistics via composite qubit-resonator interaction
Quantum thermal transport and two-photon statistics serve as two representative
nonequilibrium features in circuit quantum electrodynamics (cQED) systems. Here we …
nonequilibrium features in circuit quantum electrodynamics (cQED) systems. Here we …