Engineered dissipation for quantum information science

PM Harrington, EJ Mueller, KW Murch - Nature Reviews Physics, 2022 - nature.com
Quantum information processing relies on the precise control of non-classical states in the
presence of many uncontrolled environmental degrees of freedom. The interactions …

Exact results for a boundary-driven double spin chain and resource-efficient remote entanglement stabilization

A Lingenfelter, M Yao, A Pocklington, YX Wang, A Irfan… - Physical Review X, 2024 - APS
We derive an exact solution for the steady state of a setup where two XX-coupled N-qubit
spin chains (with possibly nonuniform couplings) are subject to boundary Rabi drives and …

Dissipative preparation and stabilization of many-body quantum states in a superconducting qutrit array

Y Wang, K Snizhko, A Romito, Y Gefen, K Murch - Physical Review A, 2023 - APS
We present and analyze a protocol for driven-dissipatively preparing and stabilizing a
manifold of quantum many-body entangled states with symmetry-protected topological …

Stabilizing two-qubit entanglement by mimicking a squeezed environment

LCG Govia, A Lingenfelter, AA Clerk - Physical Review Research, 2022 - APS
It is well known that qubits immersed in a squeezed vacuum environment exhibit many
exotic phenomena, including dissipative entanglement stabilization. Here we show that …

On-demand driven dissipation for cavity reset and cooling

V Maurya, H Zhang, D Kowsari, A Kuo, DM Hartsell… - PRX Quantum, 2024 - APS
We present a superconducting circuit device that provides active, on-demand, tunable
dissipation on a target mode of the electromagnetic field. Our device is based on a tunable …

Stabilizing two-qubit entanglement with dynamically decoupled active feedback

S Greenfield, L Martin, F Motzoi, KB Whaley… - Physical Review …, 2024 - APS
We propose and analyze a protocol for stabilizing a maximally entangled state of two
noninteracting qubits using active state-dependent feedback from a continuous two-qubit …

All-optical generation of quantum entangled states with strictly constrained ultrafast laser pulses

Y Guo, X Luo, S Ma, CC Shu - Physical Review A, 2019 - APS
We present a quantum optimal control theory study combined with theoretical analysis to
determine a pulsed laser field, capable of generating a maximally entangled state in two …

Coupling-modulation–mediated generation of stable entanglement of superconducting qubits via dissipation

S Ma, J Zhang, X Li, Y Ren, J Xie, M Cao… - Europhysics …, 2021 - iopscience.iop.org
We propose an experimentally feasible scheme for the dissipative generation of stable
entanglement of superconducting qubits via coupling modulation without applying any …

Nonreciprocal optomechanically induced transparency and enhanced ground-state cooling in a reversed-dissipation cavity system

J Zhang, Y Li, Y Zhang - Optics Express, 2023 - opg.optica.org
We explore the prospects of phase-modulated optical nonreciprocity and enhanced ground-
state cooling of a mechanical resonator for the reversed-dissipation system, where the …

Enhanced optomechanical entanglement and cooling via dissipation engineering

YL Zhang, CS Yang, Z Shen, CH Dong, GC Guo… - Physical Review A, 2020 - APS
We propose an optomechanical dissipation engineering scheme by introducing an ancillary
mechanical mode with a large decay rate to control the density of states of the optical mode …