Bruno Bellomo
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View article: A framework for continuous superradiant laser operation via sequential transport of atoms
A framework for continuous superradiant laser operation via sequential transport of atoms Open
We perform a theoretical study of a continuous superradiant laser supporting its experimental realization at FEMTO-ST using two sequentially-emitting ensembles of ${}^{171}\mathrm{Yb}$ atoms coupled to the same Fabry-Perot cavity. Using an…
View article: Time-dependent Rabi frequencies to protect quantum operations on an atomic qutrit by continuous dynamical decoupling
Time-dependent Rabi frequencies to protect quantum operations on an atomic qutrit by continuous dynamical decoupling Open
International audience
View article: Indistinguishability-assisted two-qubit entanglement distillation
Indistinguishability-assisted two-qubit entanglement distillation Open
Production of quantum states exhibiting a high degree of entanglement out of noisy conditions is one of the main goals of quantum information science. Here, we provide a conditional yet efficient entanglement distillation method which func…
View article: Indistinguishability-assisted two-qubit entanglement distillation
Indistinguishability-assisted two-qubit entanglement distillation Open
Production of quantum states exhibiting a high degree of entanglement out of noisy conditions is one of the main goals of quantum information science. Here, we provide a conditional yet efficient entanglement distillation method which func…
View article: Time-dependent Rabi frequencies to protect quantum operations on an atomic qutrit by continuous dynamical decoupling
Time-dependent Rabi frequencies to protect quantum operations on an atomic qutrit by continuous dynamical decoupling Open
We investigate the form required for the time-dependent Rabi frequencies involved in a procedure capable to protect the action of quantum gates on an atomic qutrit by means of external fields continuously decoupling the system from the env…
View article: Remote entanglement distribution in a quantum network via multinode indistinguishability of photons
Remote entanglement distribution in a quantum network via multinode indistinguishability of photons Open
International audience
View article: Exploring the limits of the generation of nonclassical states of spins coupled to a cavity by optimal control
Exploring the limits of the generation of nonclassical states of spins coupled to a cavity by optimal control Open
We investigate the generation of non-classical states of spins coupled to a common cavity by means of a collective driving of the spins. We propose a control strategy using specifically designed series of short coherent and squeezing pulse…
View article: Optimal control and selectivity of qubits in contact with a structured environment
Optimal control and selectivity of qubits in contact with a structured environment Open
We present a theoretical study of the optimal control of a qubit interacting with a structured environment. We consider a model system in which the bath is a bosonic reservoir at zero temperature and the qubit frequency is the only control…
View article: Driven quantum harmonic oscillators: A working medium for thermal machines
Driven quantum harmonic oscillators: A working medium for thermal machines Open
The study of quantum thermodynamics is key to the development of quantum thermal machines. In contrast to most of the previous proposals based on discrete strokes, here we consider a working substance that is permanently coupled to two or …
View article: Two-photon-interaction effects in the bad-cavity limit
Two-photon-interaction effects in the bad-cavity limit Open
Various experimental platforms have proven to be valid testbeds for the implementation of nondipolar light-matter interactions, where atomic systems and confined modes interact via two-photon couplings. Here, we study a damped quantum harm…
View article: Thermodynamics of driven quantum harmonic oscillators
Thermodynamics of driven quantum harmonic oscillators Open
The study of quantum thermodynamics is key to the development of quantum thermal machines. Here we investigate a system of parametrically driven quantum harmonic oscillators coupled to heat baths via a collision model. Using a thermodynami…
View article: Experimental remote entanglement distribution in a photonic quantum network through multinode indistinguishability
Experimental remote entanglement distribution in a photonic quantum network through multinode indistinguishability Open
Photonic quantum networking relies on entanglement distribution between distant nodes, typically realized by swapping procedures. However, entanglement swapping is a demanding task in practice, mainly because of limited effectiveness of en…
View article: Power maximization of two-stroke quantum thermal machines
Power maximization of two-stroke quantum thermal machines Open
We present a detailed study of quantum thermal machines employing quantum systems as working substances. In particular, we study two different types of two-stroke cycles where two collections of identical quantum systems with evenly spaced…
View article: Quantum thermal cycles based on non-resonant exchange interactions
Quantum thermal cycles based on non-resonant exchange interactions Open
We present a detailed study of quantum thermal machines employing quantum systems as working substances. In particular, we study two different types of two-stroke cycles where two collections of identical quantum systems with evenly spaced…
View article: Energy bounds for entangled states
Energy bounds for entangled states Open
Quantum technologies exploiting bipartite entanglement could be made more\nefficient by using states having the minimum amount of energy for a given\nentanglement degree. Here, we study how to generate these states in the case of\na bipart…
View article: Bipartite non-locality beyond Bell inequalities by means of multivariable correlations
Bipartite non-locality beyond Bell inequalities by means of multivariable correlations Open
We give a set of necessary conditions for locality in bipartite systems, which include and generalize known Bell's inequalities. Each condition corresponds to a specific order of the expansion of random variables defined on graphs, in term…
View article: Microscopic and phenomenological models of driven systems in structured reservoirs
Microscopic and phenomenological models of driven systems in structured reservoirs Open
We study the paradigmatic model of a qubit interacting with a structured\nenvironment and driven by an external field by means of a microscopic and a\nphenomenological model. The validity of the so-called fixed-dissipator (FD)\nassumption,…
View article: Simple scheme for extracting work with a single bath
Simple scheme for extracting work with a single bath Open
We propose a simple protocol exploiting the thermalization of a storage bipartite system S to extract work from a resource system R. The protocol is based on a recent work definition involving only a single bath. A general description of t…
View article: Extraction of Work via a Thermalization Protocol
Extraction of Work via a Thermalization Protocol Open
This is the second release candidate of VIC 5.0.0. Major new features in the VIC 5 series, compared to VIC 4 "vic_run" (GH#7) Although the physics and model behavior of VIC 5.0.0 should be nearly identical to VIC 4.2, the source code has u…
View article: Activating remote entanglement in a quantum network by local counting of identical particles
Activating remote entanglement in a quantum network by local counting of identical particles Open
Quantum information and communication processing within quantum networks\nusually employs identical particles. Despite this, the physical role of quantum\nstatistical nature of particles in large-scale networks remains elusive. Here,\nwe s…
View article: Entanglement swapping by particle indistinguishability
Entanglement swapping by particle indistinguishability Open
Entanglement swapping represents an important protocol for transferring information within quantum networks. Here we present a scheme to implement entanglement swapping with independently-prepared identical particles (bosons or fermions), …
View article: Work extraction exploiting thermalization with a single bath
Work extraction exploiting thermalization with a single bath Open
We propose a protocol which exploits the collective thermalisation of a bipartite system to extract work from another system. The protocol is based on a recently proposed work definition not requiring measurements and involving the presenc…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>N</mml:mi></mml:math> identical particles and one particle to entangle them all
identical particles and one particle to entangle them all Open
In quantum information W states are a central class of multipartite entangled\nstates because of their robustness against noise and use in many quantum\nprocesses. Their generation however remains a demanding task whose difficulty\nincreas…
View article: Quantum synchronization as a local signature of super- and subradiance
Quantum synchronization as a local signature of super- and subradiance Open
We study the relationship between the collective phenomena of super- and subradiance and spontaneous synchronization of quantum systems. To this aim we revisit the case of two detuned qubits interacting through a pure dissipative bosonic e…