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Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Daily Overview

Session

05 - Physique Atomique, Moléculaire et Optique

Time:

Friday, 10/July/2026:

8:30am - 10:30am

Session Chair: Andrew MAYNE

Optique Quantique

Session Abstract

Les thématiques couvertes par ces sessions :

Optique Quantique

Presentations

8:30am - 8:55am

HARNESSING MOLECULES AS A QUANTUM INTERFACE TO STORE AND MANIPULATE ULTRASHORT OPTICAL VORTICES

E. HERTZ, A. VOISINE, F. BILLARD, O. FAUCHER, P. BEJOT

Université Bourgogne Europe, France

Field-free molecular alignment driven by ultrashort laser pulses enables coherent control of matter on ultrafast timescales. We outline its physical basis and spectroscopic applications, then report recent progress in storing and retrieving optical orbital angular momentum in aligned media, advancing structured-light manipulation.

8:55am - 9:20am

QUANTUM OPTIMAL CONTROL FOR NEXT-GENERATION QUANTUM SENSORS

N. OMBREDANE¹, E. FLAMENT¹, C. BABIN², D. SUGNY², D. GUERY-ODELIN¹, B. PEAUDECERF¹

¹Laboratoire Collisions Agrégats Réactivité, Université de Toulouse, CNRS, 31062 Toulouse; ²Université Bourgogne Europe, CNRS, Laboratoire Interdisciplinaire Carnot de Bourgogne ICB UMR 6303, 21000 Dijon

Quantum sensing enables measurements beyond classical limits, yet faces practical experimental
challenges. Quantum optimal control offers a powerful toolkit to extract quantum information with
minimal resources. Here, we present our latest results on two promising platforms: cold atoms in
optical lattices and NV centers in diamonds.

9:20am - 9:33am

FLOQUET ENGINEERING OF TIGHT BINDING HAMILTONIAN IN MOMENTUM SPACE LATTICES

D. RONCO, F. ARROUAS, N. OMBREDANE, E. FLAMENT, Q. LEVOY, B. PEAUDECERF, D. GUERY-ODELIN

Laboratoire Collisions, Agrégats, Réactivité, FeRMI, Université de Toulouse, France

We generalize momentum-space lattices to all quantum resonances of the kicked rotor model. The phase and amplitude of a lattice trap are designed to simulate tight binding models thanks to first-order time-dependent perturbation theory and optimal control algorithms. An experimental study with BEC is done for Rice-Mele model and Bloch oscillations.

9:33am - 9:46am

PROBING THE LOCAL DISPERSION OF K-VECTORS IN SITU WITH A BOSE-EINSTEIN CONDENSATE

S. GAUDOUT¹, R. SI-AHMED¹, C. DEBAVELAERE¹, M. DOOR¹, P. CLADE¹, S. GUELLATI-KHELIFA^1,2

¹Laboratoire Kastler Brossel, France; ²Conservatoire National des Arts et Métiers

We present a method to map photon momentum in situ across a laser beam using a moving Bose–Einstein condensate as a probe. Our atom interferometer measures local recoil to reconstruct a 2D map of intensity and wave-vector dispersion. Applied to a diffracted beam, it reveals extra recoil and enables wavefront and bias characterization.

9:46am - 9:59am

INTERFEROMETRIC SENSING AND DICKE STATES ENGINEERING WITH SUB-SHOT NOISE SENSITIVITY ON MULTIPLE NUCLEAR SPIN-STATES OF 87SR

H. AHMED, A. LITVINOV, P. GUESDON, M. ROBERT DE SAINT VINCENT, B. LABURTHE TOLRA, B. PASQUIOU

LPL, France

By exploiting the large SU(N) spin manifold of 87Sr (I=9/2), we implement multi-state Ramsey interferometers enabling simultaneous measurement of two quantities. We also aim to engineer entangled Dicke states via photoassociation on the 1S0-3P1 line, achieving sub-shot-noise phase sensitivity.

9:59am - 10:12am

PROBING WEAKLY BOUND LEVELS OF A DYSPROSIUM ATOM PAIR

C. KARAM¹, O. DULIEU², M. LEPERS¹

¹Laboratoire interdisciplinaire Carnot de Bourgogne - Université Bourgogne Europe - Dijon; ²Laboratoire Aimé Cotton - Université Paris Saclay - Orsay

We develop a qualitative and quantitative theoretical description of Feshbach resonances in ultracold dysprosium. We aim to explain experimentally observed resonances, especially weakly bound states, and identify mechanisms governing their width and magnetic-field dependence, focusing on an unusual s-wave state with very weak magnetic sensitivity.