activity
20242026
most citedQuantum-like nonlinear interferometry with frequency-engineered classical light

1 citations · 1 across the 10 of their papers we have counts for

collaborators

11 papers

quant-ph2026

Quantum-enhanced phase interrogation of a fiber-optic strain sensor

Romain Dalidet, Marialuisa Capezzuto, Hugo Degert +7

Fiber-optic sensors enable high-sensitivity measurements of various physical parameters. Here, we demonstrate a quantum-enhanced interrogation of an all-fiber-optic Fabry-Perot res…

quant-ph2026

Robustness and optimization of N00N-state interferometry

Romain Dalidet, Anthony Martin, Louis Bellando +4

Quantum-enhanced interferometry is often discussed in terms of ideal resources and asymptotic scalings, whereas in practice its performance is set by a delicate interplay between l…

quant-ph2026

Quantum-enhanced sensing via spectral noise reduction

Romain Dalidet, Sébastien Tanzilli, Audrey Dot +4

We report a direct demonstration of quantum-enhanced sensing in the Fourier domain by comparing single- and two-photon interference in a fiber-based interferometer under strictly i…

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…

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

Compact and efficient quantum frequency conversion of a fiber-pigtailed single-photon source

Mathis Cohen, Anthony Martin, Romain Dalidet +9

Quantum frequency converters are key enabling technologies in photonic quantum information science to bridge the gap between quantum emitters and telecom photons. Here, we report a…

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

Two-photon interference at a telecom wavelength for quantum networking

Mathis Cohen, Laurent Labonté, Romain Dalidet +2

The interference between two independent photons stands as a crucial aspect of numerous quantum information protocols and technologies. In this work, we leverage fiber-coupled devi…

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…