activity
20222026
most citedNear perfect two-photon interference out a down-converter on a silicon photonic chip

17 citations · 25 across the 15 of their papers we have counts for

collaborators

17 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…

physics.optics2026

Fully passive monolithic silicon quantum photonic circuit for entangled photon-pair generation

David E. Medina, Paul J. Robin, Romain Dalidet +8

Integrated quantum photonic circuits are a key enabling technology for the scalability of quantum information systems. Among the available platforms, silicon photonics offers an un…

quant-ph2026

Time-frequency Talbot effect as Clifford operations on entangled time-frequency GKP states

Thomas Pousset, Romain Dalidet, Laurent Labonté +1

The Talbot effect -- a near-field diffraction phenomenon in which a periodic wavefront self-images at regular distances -- can be transposed to the time--frequency domain via the s…

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 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

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★ 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-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…

physics.optics2024★ 5 cited

Design and fabrication of dispersion controlled highly nonlinear fibers for far-tuned four-wave mixing frequency conversion

Sidi-Ely Ahmedou, Romain Dauliat, Alexandre Parriaux +8

We report on the conception, fabrication and characterization of a new concept of optical fiber enabling a precise control of the ratio between the 2nd and 4th-order of chromatic d…

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★ 17 cited

Near perfect two-photon interference out a down-converter on a silicon photonic chip

Romain Dalidet, Florent Mazeas, Edgars Nitiss +5

Integrated entangled photon-pair sources are key elements for enabling large-scale quantum photonic solutions, and addresses the challenges of both scaling-up and stability. Here w…