The SLH framework for modeling quantum input-output networks

J Combes, J Kerckhoff, M Sarovar - Advances in Physics: X, 2017 - Taylor & Francis
Many emerging quantum technologies demand precise engineering and control over
networks consisting of quantum mechanical degrees of freedom connected by propagating …

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 …

Trade off-free entanglement stabilization in a superconducting qutrit-qubit system

T Brown, E Doucet, D Ristè, G Ribeill, K Cicak… - Nature …, 2022 - nature.com
Quantum reservoir engineering is a powerful framework for autonomous quantum state
preparation and error correction. However, traditional approaches to reservoir engineering …

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 …

Chip-to-chip entanglement of transmon qubits using engineered measurement fields

C Dickel, JJ Wesdorp, NK Langford, S Peiter… - Physical Review B, 2018 - APS
While the on-chip processing power in circuit QED devices is growing rapidly, an open
challenge is to establish high-fidelity quantum links between qubits on different chips. Here …

Continuous quantum gate sets and pulse-class meta-optimization

F Preti, T Calarco, F Motzoi - PRX Quantum, 2022 - APS
Reduction of the circuit depth of quantum circuits is a crucial bottleneck to enabling quantum
technology. This depth is inversely proportional to the number of available quantum gates …

Quantum state preparation via engineered ancilla resetting

DA Puente, F Motzoi, T Calarco, G Morigi, M Rizzi - Quantum, 2024 - quantum-journal.org
In this theoretical investigation, we examine the effectiveness of a protocol incorporating
periodic quantum resetting for preparing ground states of frustration-free parent …

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 …

Loss resilience of driven-dissipative remote entanglement in chiral waveguide quantum electrodynamics

A Irfan, M Yao, A Lingenfelter, X Cao, AA Clerk… - Physical Review …, 2024 - APS
Establishing limits of entanglement in open quantum systems is a problem of fundamental
interest, with strong implications for applications in quantum information science. Here, we …

Robust control performance for open quantum systems

SG Schirmer, FC Langbein, CA Weidner… - … on Automatic Control, 2022 - ieeexplore.ieee.org
Robust performance of control schemes for open quantum systems is investigated under
classical uncertainties in the generators of the dynamics and nonclassical uncertainties due …