68 citations · 269 across the 21 of their papers we have counts for
23 papers
Time-Frequency Continuous-Variable Quantum Teleportation with Single Photons
Mohamed Meguebel, Nadia Belabas, Nicolas Fabre
Quantum teleportation, a key building block for quantum technologies, enables distant parties, Alice and Bob, to transfer an unknown quantum state using entanglement, local operati…
Phase Sensitivity of Spectrally Multimode SU(1,1) Interferometers with Waveguide based Optical Parametric Amplifier
Sonu Jana, Swagatam Bag, Fabien Bretenaker +2
We present a comprehensive framework for evaluating the phase sensitivity of spectrally multimode SU(1,1) interferometers probed with a coherent-vacuum input, under both number and…
Sensitivity Evaluation of SU(1,1) Interferometers with Arbitrary Input Probe State and Homodyne Detections
Sonu Jana, Dhruv Baheti, Paul Grossiord +3
We provide a general theoretical derivation of the phase sensitivity achieved by SU(1,1) interferometers under homodyne detection. The general expressions obtained accommodate arbi…
Multi-dimensional frequency-bin entanglement-based quantum key distribution network
George Claudiu Crisan, Antoine Henry, Dario Alessandro Fioretto +7
Quantum networks enhance quantum communication schemes and link multiple users over large areas. Harnessing high dimensional quantum states - i.e. qu-d-its - allows for a denser tr…
Generation of frequency entanglement with an effective quantum dot-waveguide two-photon quadratic interaction
Mohamed Meguebel, Maxime Federico, Simone Felicetti +2
Light-matter interactions with quantum dots have been extensively studied to harness key quantum properties of photons, such as indistinguishability and entanglement. In this theor…
Continuous-variable spatio-spectral quantum networks in nonlinear photonic lattices
Natalia Costas, Nadia Belabas, David Barral
Multiplexing information in different degrees of freedom and use of integrated and fiber-optic components are natural solutions to the scalability bottleneck in optical quantum com…
Broadband amplitude squeezing in electrically driven quantum dot lasers
Shiyuan Zhao, Shihao Ding, Heming Huang +4
The generation of broadband squeezed states of light lies at the heart of high-speed continuous-variable quantum information. Traditionally, optical nonlinear interactions have bee…
Parallelization of frequency domain quantum gates: manipulation and distribution of frequency-entangled photon pairs generated by a 21 GHz silicon micro-resonator
Antoine Henry, Dario Fioretto, Lorenzo M. Procopio +8
Harnessing the frequency dimension in integrated photonics offers key advantages in terms of scalability, noise resilience, parallelization and compatibility with telecom multiplex…
Parallelizable Synthesis of Arbitrary Single-Qubit Gates with Linear Optics and Time-Frequency Encoding
Antoine Henry, Ravi Raghunathan, Guillaume Ricard +5
We propose novel methods for the exact synthesis of single-qubit unitaries with high success probability and gate fidelity, considering both time-bin and frequency-bin encodings. T…
Correlated twin-photon generation in a silicon nitrite loaded thin film PPLN waveguide
Antoine Henry, David Barral, Isabelle Zaquine +4
Photon-pair sources based on thin film lithium niobate on insulator technology have a great potential for integrated optical quantum information processing. We report on such a sou…
Supermode-based second harmonic generation in a nonlinear interferometer
David Barral, Virginia D'Auria, Florent Doutre +7
We demonstrate supermode-based second harmonic generation in an integrated nonlinear interferometer made of linear and nonlinear directional couplers. We use a fully-fibered pump s…
Multifold behavior of the information transmission by the quantum 3-switch
Lorenzo M. Procopio, Francisco Delgado, Marco Enriquez +1
We uncover new behaviors of the transmission of information by three quantum channels in superposition of causal orders subject to some level of noise. We find that the transmissio…
Scalable multimode entanglement based on efficient squeezing of propagation eigenmodes
D. Barral, K. Bencheikh, J. A. Levenson +1
Continuous-variable encoding of quantum information in the optical domain has recently yielded large temporal and spectral entangled states instrumental for quantum computing and q…
Quantum state engineering in arrays of nonlinear waveguides
David Barral, Mattia Walschaers, Kamel Bencheikh +4
In the current quest for efficient and experimentally feasible platforms for implementation of multimode squeezing and entanglement in the continuous variable regime, we underpin a…
Versatile photonic entanglement synthesizer in the spatial domain
David Barral, Mattia Walschaers, Kamel Bencheikh +4
Multimode entanglement is an essential resource for quantum information in continuous-variable systems. Light-based quantum technologies will arguably not be built upon table-top b…
Sending classical information via three noisy channels in superposition of causal orders
Lorenzo M. Procopio, Francisco Delgado, Marco Enriquez +2
In this work, we study the transmission of classical information through three completely depolarizing channels in superposition of different causal orders. We thus introduce the q…
Coupling quasi-phase matching: entanglement buildup in nonlinear waveguide arrays
David Barral, Nadia Belabas, Kamel Bencheikh +1
Wavevector quasi-phase matching was devised in the 1960s as a way to boost nonlinear interactions with efficient quantum noise squeezing as one outstanding outcome. In the era of q…
Zero supermode-based multipartite entanglement in nonlinear waveguides arrays
David Barral, Kamel Bencheikh, Nadia Belabas +1
We show that arrays of nonlinear waveguides in the second harmonic generation regime are a promising source of continuous-variable entanglement. We indeed demonstrate ana…
Symmetry-based analytical solutions to the χ^{(2)} nonlinear directional coupler
David Barral, Kamel Bencheikh, Peter J. Olver +2
In general the ubiquitous χ^{(2)} nonlinear directional coupler, where nonlinearity and evanescent coupling are intertwined, is nonintegrable. We rigorously demonstrate that matchi…
Communication Enhancement Through Quantum Coherent Control of Channels in an Indefinite Causal-order Scenario
Lorenzo M. Procopio, Francisco Delgado, Marco Enriquez +2
In quantum Shannon theory, transmission of information is enhanced by quantum features. Up to very recently, the trajectories of transmission remained fully classical. Recently, a…
Broadband integrated beam splitter using spatial adiabatic passage
Tommaso Lunghi, Florent Doutre, Alicia Petonela Rambu +7
Light routing and manipulation are important aspects of integrated optics. They essentially rely on beam splitters which are at the heart of interferometric setups and active routi…
Minimum resources for versatile continuous variable entanglement in integrated nonlinear waveguides
David Barral, Kamel Bencheikh, Virginia D'Auria +3
In a recent paper [Phys. Rev. A {\bf 96}, 053822 (2017)], we proposed a strategy to generate bipartite and quadripartite continuous-variable entanglement of bright quantum states b…
Continuous-variable entanglement of two bright coherent states that never interacted
David Barral, Nadia Belabas, Lorenzo M. Procopio +4
We study continuous-variable entanglement of bright quantum states in a pair of evanescently coupled nonlinear waveguides operating in the regime of degenerate down-conve…