106 citations · 187 across the 19 of their papers we have counts for
20 papers
Stabilization of finite-energy grid states of a quantum harmonic oscillator by reservoir engineering with two dissipation channels
Rémi Robin, Pierre Rouchon, Lev-Arcady Sellem
We propose and analyze an experimentally accessible Lindblad master equation for a quantum harmonic oscillator, simplifying a previous proposal to alleviate implementation constrai…
Convergence Analysis of Galerkin Approximations for the Lindblad Master Equation
Rémi Robin, Pierre Rouchon
This paper analyzes the numerical approximation of the Lindblad master equation on infinite-dimensional Hilbert spaces. We employ a classical Galerkin approach for spatial discreti…
Diffusive Stochastic Master Equation (SME) with dispersive qubit/cavity coupling
Pierre Rouchon
We provide a detailed analysis of the quantum diffusive Stochastic Master Equation~(SME) for qubit/cavity systems with dispersive coupling, incorporating classical input signals an…
Time-averaged continuous quantum measurement
Pierre Guilmin, Pierre Rouchon, Antoine Tilloy
The theory of continuous quantum measurement allows to reconstruct the state of a system from a continuous stochastic measurement record . However, this truly continuous…
Unconditionally stable time discretization of Lindblad master equations in infinite dimension using quantum channels
Rémi Robin, Pierre Rouchon, Lev-Arcady Sellem
We examine the time discretization of Lindblad master equations in infinite-dimensional Hilbert spaces. Our study is motivated by the fact that, with unbounded Lindbladian, project…
Confinement to deterministic manifolds and low-dimensional solution formulas for continuously measured quantum systems
Alain Sarlette, Cyril Elouard, Pierre Rouchon
Quantum systems subjected to a continuous weak measurement process evolve according to stochastic differential equations (SDE). Depending on the outcomes of these stochastic measur…
A posteriori error estimates for the Lindblad master equation
Paul-Louis Etienney, Rémi Robin, Pierre Rouchon
We are interested in the simulation of open quantum systems governed by the Lindblad master equation in an infinite-dimensional Hilbert space. To simulate the solution of this equa…
Parameters estimation by fitting correlation functions of continuous quantum measurement
Pierre Guilmin, Pierre Rouchon, Antoine Tilloy
We propose a simple method to estimate the parameters of a continuously measured quantum system, by fitting correlation functions of the measured signal. We demonstrate the approac…
On encoded quantum gate generation by iterative Lyapunov-based methods
Paulo Sergio Pereira da Silva, Pierre Rouchon
The problem of encoded quantum gate generation is studied in this paper. The idea is to consider a quantum system of higher dimension than the dimension of the quantum…
Explicit formulas for adiabatic elimination with fast unitary dynamics
Angela Riva, Alain Sarlette, Pierre Rouchon
The so-called ``adiabatic elimination'' of fast decaying degrees of freedom in open quantum systems can be performed with a series expansion in the timescale separation. The associ…
Gate generation for open quantum systems via a monotonic algorithm with time optimization
Paulo Sergio Pereira da Silva, Pierre Rouchon
We present a monotonic numerical algorithm including time optimization for generating quantum gates for open systems. Such systems are assumed to be governed by Lindblad master equ…
Online Parameter Estimation for Continuously Monitored Quantum Systems
Henrik Glavind Clausen, Pierre Rouchon, Rafal Wisniewski
In this work, we consider the problem of online (real-time, single-shot) estimation of static or slow-varying parameters along quantum trajectories in quantum dynamical systems. Ba…
Monitoring the energy of a cavity by observing the emission of a repeatedly excited qubit
Hector Hutin, Antoine Essig, Réouven Assouly +3
The number of excitations in a large quantum system (harmonic oscillator or qudit) can be measured in a quantum nondemolition manner using a dispersively coupled qubit. It typicall…
Convergence of bipartite open quantum systems stabilized by reservoir engineering
Rémi Robin, Pierre Rouchon, Lev-Arcady Sellem
We study a generic family of Lindblad master equations modeling bipartite open quantum systems, where one tries to stabilize a quantum system by carefully designing its interaction…
Adiabatic elimination for composite open quantum systems: reduced model formulation and numerical simulations
François-Marie Le Régent, Pierre Rouchon
A numerical method is proposed for simulation of composite open quantum systems. It is based on Lindblad master equations and adiabatic elimination. Each subsystem is assumed to co…
Benchmarking maximum-likelihood state estimation with an entangled two-cavity state
Valentin Métillon, Stefan Gerlich, Michel Brune +3
The efficient quantum state reconstruction algorithm described in [P. Six et al., Phys. Rev. A 93, 012109 (2016)] is experimentally implemented on the non-local state of two microw…
Towards generic adiabatic elimination for bipartite open quantum systems
Remi Azouit, Francesca Chittaro, Alain Sarlette +1
We consider a composite open quantum system consisting of a fast subsystem coupled to a slow one. Using the time-scale separation, we develop an adiabatic elimination technique to…
Using Spontaneous Emission of a Qubit as a Resource for Feedback Control
P. Campagne-Ibarcq, S. Jezouin, N. Cottet +6
Persistent control of a transmon qubit is performed by a feedback protocol based on continuous heterodyne measurement of its fluorescence. By driving the qubit and cavity with micr…
Observing quantum state diffusion by heterodyne detection of fluorescence
P. Campagne-Ibarcq, P. Six, L. Bretheau +4
A qubit can relax by fluorescence, which prompts the release of a photon into its electromagnetic environment. By counting the emitted photons, discrete quantum jumps of the qubit…
Stabilization of nonclassical states of one- and two-mode radiation fields by reservoir engineering
A. Sarlette, Z. Leghtas, M. Brune +2
We analyze a quantum reservoir engineering method, originally introduced by [Sarlette et al. in Phys. Rev. Lett. 107, 010402 (2011) -- arXiv 1011.5057], for the stabilization of no…