activity
20162026
most citedChallenging local realism with human choices

293 citations · 471 across the 18 of their papers we have counts for

collaborators

18 papers

quant-ph2026

Dual wavelength source of entanglement for space quantum communication

Valentin Dumas, Alek Lagarrigue, Tess Troisi +4

We report the demonstration of a bulk, intrinsically phase-stable source of polarization- and time-energy-entangled photon pairs at 810nm and 1550nm, directly coupled into single-m…

quant-ph2026

Quantum-enhanced phase sensitivity in an all-fiber Mach-Zehnder interferometer

Romain Dalidet, Sébastien Tanzilli, Gregory Sauder +3

Recent advances in quantum photonics have enabled increasingly robust protocols in optical phase estimation, achieving precisions beyond the standard quantum limit and approaching…

quant-ph2026

High-brightness fiber-based Sagnac source of entangled photon pairs for multiplexed quantum networks

Tess Troisi, Yoann Pelet, Romain Dalidet +4

A fully fibered source of entangled photon pairs based on a nonlinear Sagnac interferometer is reported. Operating at telecom wavelengths, the source relies exclusively on standard…

quant-ph2025

Deployed quantum key distribution network: further, longer and more users

Nathan Lecaron, Yoann Pelet, Grégory Sauder +6

Entanglement-based quantum links are the backbone of future quantum internet networks, enabling secure communication between distant cities. Realizing such networks requires addres…

physics.optics2025

Self-referenced nonlinear interferometry for chromatic dispersion sensing across multiple length scales

Romain Dalidet, Sébastien Tanzilli, Gregory Sauder +2

Chromatic dispersion critically impacts the performance of numerous applications ranging from telecommunication links to ultrafast optics and nonlinear devices, yet fast and precis…

physics.optics2025

High-resolution broadband characterization of resonance dispersion in an optical microresonator

Romain Dalidet, Adrien Bensemhoun, Gregory Sauder +12

Accurate knowledge of the uneven free spectral range of an optical microresonator, which provides direct insight into group velocity dispersion, is essential for understanding and…

quant-ph2025★ 2 cited

An all-fibred, telecom technology compatible, room temperature, single-photon source

Nathan Lecaron, Max Meunier, Grégory Sauder +5

Single photon sources are essential building blocks for fundamental quantum optics but also for quantum information networks. Their widespread is currently hindered by unpractical…

quant-ph2025

Entanglement-based clock syntonization for quantum key distribution networks. Demonstration over a 50 km-long link

Yoann Pelet, Grégory Sauder, Sébastien Tanzilli +2

We present the implementation of a time synchronization protocol as part of an experimentally deployed entanglement-based quantum key distribution (QKD) link. The system is deploye…

quant-ph2024

Accurate and precise optical phase sensor based on a non-linear quantum Sagnac interferometer

Romain Dalidet, Laurent Labonté, Gregory Sauder +2

Optical phase measurements play a key role in the detection of macroscopic parameters such as position, velocity, and displacement. They also permit to qualify the microscopic prop…

quant-ph2024★ 1 cited

Quantum-like nonlinear interferometry with frequency-engineered classical light

Romain Dalidet, Anthony Martin, Grégory Sauder +2

Quantum interferometry methods exploit quantum resources, such as photonic entanglement, to enhance phase estimation beyond classical limits. Nonlinear optics has served as a workh…

quant-ph2023

Plug-and-play measurement of chromatic dispersion by means of two-photon interferometry

Romain Dalidet, Anthony Martin, Mattis Riesner +11

Since the first proof-of-principle experiments 25 years ago, quantum metrology has matured from fundamental concepts to versatile and powerful tools in a large variety of research…

quant-ph2022★ 26 cited

Operational entanglement-based quantum key distribution over 50 km of real-field optical fibres

Yoann Pelet, Grégory Sauder, Mathis Cohen +4

We present a real field quantum key distribution link based on energy-time entanglement. Three nodes are connected over the city of Nice by means of optical fibers with a total dis…

quant-ph2021

Quantum-limited determination of refractive index difference by means of entanglement

Mattis Reisner, Florent Mazeas, Romain Dauliat +9

Shaping single-mode operation in high-power fibres requires a precise knowledge of the gain-medium optical properties. This requires accurate measurements of the refractive index d…

quant-ph2020★ 9 cited

Configurable heralded two-photon Fock-states on a chip

Xin Hua, Tommaso Lunghi, Florent Doutre +10

Progress in integrated photonics enables combining several elementary functions on single substrates for realizing advanced functionnalized chips. We report a monolithic integrated…

quant-ph2020★ 52 cited

High-quality photonic entanglement based on a silicon chip

Dorian Oser, Sébastien Tanzilli, Florent Mazeas +8

The fruitful association of quantum and integrated photonics holds the promise to produce, manipulate, and detect quantum states of light using compact and scalable systems. Integr…

quant-ph2018★ 293 cited

Challenging local realism with human choices

The BIG Bell Test Collaboration, C. Abellán, A. Acín +105

A Bell test is a randomized trial that compares experimental observations against the philosophical worldview of local realism. A Bell test requires spatially distributed entanglem…

quant-ph2017★ 48 cited

Fully guided-wave photon pair source for quantum applications

Panagiotis Vergyris, Florian Kaiser, Elie Gouzien +3

We report a fully guided-wave source of polarisation entangled photons based on a periodically poled lithium niobate waveguide mounted in a Sagnac interferometer. We demonstrate th…

quant-ph2016★ 40 cited

On-chip generation of heralded photon-number states

Panagiotis Vergyris, Thomas Meany, Tommaso Lunghi +5

Beyond the use of genuine monolithic integrated optical platforms, we report here a hybrid strategy enabling on-chip generation of configurable heralded two-photon states. More spe…