Post doc fellowships : 4 projects
Acronym: DCAI
Title: Dual-cloud atom interferometer for vibration intensitive measurment of atomic recoil
Scientific manager: Saïda Guellati-Khelifa (LKB)
Axis: Quantum sensors and metrology
Abstract: The objective of this project is to implement a two-cloud atom interferometer measurement sequence to reduce the impact of vibrations in order to enable measurements with increased resolution for the determination of the photon recoil.
Postdoc: Menno Door
Acronym: NanoSMS
Title: Nanometers scale Single molecule sensing for SERS and thermoplasmonics
Scientific manager: Valentina Krachmalnicoff (IL)
Axis: Quantum sensors and metrology / Enabling science and technology
Abstract: In the frame of NanoSMS we aim to exploit the potential of a single-molecule approach recently developed at Institut Langevin for the observation of extreme Purcell factors at the single-molecule level with nanometer scale resolution.
Postdoc: Elisabetta Avanzi
Acronym: SOL
Title: Production and characterization of a soliton gas
Scientific manager: Aurélien Perrin (LPL)
Axis: Quantum simulation
Abstract: During this project, we will induce solitons in a one-dimensional degenerate Bose gas. Observations will be compared with numerical calculations. Our work could provide new answers about strong wave turbulence.
Postdoc: Zhibin Yao
Acronym: QuHOB
Title: Quantum Higher-Order Bayesian Networks
Scientific manager: Claudia Faggian (IRIF)
Axis: Quantum computing
Abstract: The project exploits quantum computing to accelerate Bayesian inference performed by higherorder probabilistic programs. We propose a methodology to compile such programs into quantum circuits, leveraging advancements in quantum Bayesian networks.
Postdoc: Gabriele Vanoni
PhD fellowships : 5 projects
Acronym: QICRyS
Title: Quantum Interconnects Catalyzed by Rydberg Superatoms
Scientific manager: Alexei Ourjoumtsev, Sébastien Garcia (JEIP)
Axis: Quantum communications / Quantum computing
Abstract: This project will use strong interactions between individual atoms and collective superatoms in an optical cavity to interconnect distant atomic quantum processors, speed up qubit detection, and boost coherence times in multi-photon quantum gates.
PhD student : Alexandre Dugelay (18 mois)
Acronym: PAQS
Title: Precision spectroscopy of Antiprotonic atoms with Quantum Sensors
Scientific manager: Nancy Paul, Paul Indelicato (LKB)
Axis: Quantum communications / Quantum computing
Abstract: This PhD project pioneers the use of quantum-sensing Transition Edge Sensor (TES) detectors for high-precision x-ray spectroscopy of antiprotonic atoms at CERN’s ELENA facility, providing a novel platform for probing strong-field quantum electrodynamics (QED). By integrating cutting-edge quantum detection with antimatter experiments, the project advances quantum metrology and sensor technology in extreme conditions. The candidate will develop advanced simulation frameworks (Geant4) to optimize TES performance, contributing to the next generation of quantumenhanced precision measurement tools with applications beyond fundamental physics.
PhD student : Lucie Tarazona (18 mois)
Acronym: SPIRE
Title: Spin-Photon Interfaces used as photon Receivers
Scientific manager: Loïc Lanco (C2N)
Axis: Quantum computing / Enabling science and technology
Abstract: This project aims at developing and exploiting light-matter interfaces used as photon receivers, allowing the entanglement of several incoming photons via a single stationary spin, a key step for the implementation of multidimensional cluster states for quantum computing.
PhD student: Nune Badalyan (18 mois)
Acronym: QCDSSR
Title: Quantum communication and discrimination in the single-shot regime
Scientific manager: Marco Túlio Quintino (LIP6)
Axis: Quantum communications / Quantum computing
Abstract: In this project, we will find optimal strategies for discriminating sets of N quantum states of dimension d when k copies are available. This analysis will be done in three scenarios, the joint measurement one, the indepndent measurement one, and the adaptive measurement one.
PhD student: Maria Kvashchuk (36 mois)
Acronym: MLF3D
Title: Momentum-space correlations in 3D Lattice Fermions
Scientific manager: David Clément (LCF)
Axis: Quantum simulation / Enabling science and technology
Abstract: The aim of this thesis project is to add the fermionic species helium-3 to the existing set-up of the “helium lattice” team at LCF. The student will produce a Fermi sea, then study spin mixtures in a 3D lattice and measure its momentum-space properties with single atom resolution.
PhD student: Henri Coquinot (36 mois)
AAP Scientific events : 5 projects
Title: Réunion annuelle du GDR Gaz Quantiques
Date / place: 15-17 octobre 2025 / Institut d’Optique, Orsay
Scientific organizer: Raphaël Lopes (LKB)
Axis: Quantum simulation / Quantum sensors and metrology
Abstract: The 2025 Annual Meeting of the GDR Quantum Gases will convene in Orsay, aiming to unite the entire French research community engaged in cold atom physics and quantum fluids of light. This gathering is designed to ensure comprehensive representation of all research activities across France, fostering collaboration and knowledge exchange.
Website: Annual meeting GDR Quantum gases 2025 – Sciencesconf.org
Title: Workshop “Two-dimensional and Disordered Superconductors” (TIDES)
Date / place: 6-17 juillet 2026, Intitut Pascal, UPS
Scientific organizer: Francesca Chiodi (C2N)
Axis: Quantum sensors and metrology / enabling science and technology
Abstract: We propose a two-week program focused on the issue of disorder in 2D superconductors, a challenge that has significant implications for the use of such materials in quantum devices.
Title: QuiDiQua 3
Date / place: 5-7 novembre 2025, Paris
Scientific organizer: Ulysse Chabaud (Inria, DIENS), Valentina Parigi (LKB)
Axis: Quantum sensors and metrology / Quantum computing
Abstract : QuiDiQua 3 is an international conference on quasi-probability distributions in quantum mechanics. It will bring together experts in quantum optics, information and metrology.
Website: https://quidiqua3.sciencesconf.org/
Title: Workshop “40 years of Quantum Optics in Jussieu” (40QUANTUM)
Date / place: 1-2 octobre 2025, Jussiue, SU
Scientific organizer: Pierre-François Cohadon (LKB)
Axis: Quantum sensors and metrology / Enabling science and technology
Abstract: This two-day workshop is organized to mark the 40th anniversary of the LKB quantum optics team at Jussieu. It will present the early work of this team, and some examples of major achievements in the field since then.
Title: Spins in Paris 2025
Date / place: 15-16 décembre 2025, Centre J.W Boyer, Paris
Scientific organizer: Patrice Bertet (SPEC)
Axis: Quantum computing / Quantum sensors and metrology
Abstract: The workshop will bring together the community studying spin coupling in solids and quantum superconducting circuits. It is the 14th in a series that has taken place every year since 2010, in different locations.
AAP Small and medium equipments : 9 projects
Title: Entaglement distribution in the Paris Region Testbed
Scientific organizer: Julien Laurat (LKB)
Axis: Quantum communications / Enabling science and technology
Abstract: A dedicated telecom network for quantum communication has been deployed in the Paris region, linking labs at Sorbonne Université and various hubs within the Paris Quantum Communication Infrastructure (ParisRegionQCI). This project aims to leverage this network for entanglement distribution, employing advanced quantum memories and state-of-the-art photonic sources.
Title: Light Control of Magnetism in van des Waals Materials
Scientific organizer: Niloufar Nilforoushan (MPQ)
Axis: Quantum simulations / Enabling science and technology
Abstract: LIMAG investigates light control of magnetic phases in van der Waals magnets by resonantly driving their phonons and magnons. Using ultrafast Raman spectroscopy, it reveals the coupled dynamics among different degrees of freedom. The project opens new routes for quantum simulation of driven spin-lattice systems.
Title: Di-radicals for quantum sensing
Scientific organizer: Alexei Chepelianskii (LPS)
Axis: Quantum sensors&metrology
Abstract: Di-radical molecules are synthetic analogues of nitrogen vacancy (NV) centers in diamond. New molecules do not require low temperatures or high magnetic fields to show NV like behavior. We plan to upgrade our micro-fluorescence setup for time resolved and single molecule experiments.
Title: Quantum Logic Spetroscopy of molecular hydrogen ions for the metrology of fundamental constants
Scientific organizer: Laurent Hilico (LKB)
Axis: Quantum sensors&metrology
Abstract: This project aims at implementing Quantum Logic Spectroscopy (QLS) for the first time in France. This spectroscopy technique is inspired by quantum computing and will be implemented in molecular hydrogen ions to measure fundamental constants with unprecedented accuracy.
Title: Single photon sources at Telecom wavelengths with semiconductor Quantum Dots
Scientific organizer: Sophie Hameau (C2N)
Axis: Quantum communication / Enabling science and technology
Abstract: Using advanced techniques for growing InGaAs BQs emitting at 1.3 and 1.55 μm, we aim to study their emission and spin properties to develop on-demand, high-brightness, indistinguishable single photon sources for quantum telecommunications.
Title: Continuous Atomic Gravimeter for noise reduction to the Quantum Projection Limit
Scientific organizer: Arnaud Landragin (LTE)
Axis: Quantum sensors&metrology
Abstract: The project aims to demonstrate the possibility of reaching the limit of quantum projection noise in the case of a highly sensitive atomic gravimeter, using continuous measurements that average out the effects of vibration sampling.
Title: Sensing by electron flying qubits
Scientific organizer: Preden Roulleau (SPEC)
Axis: Quantum sensors&metrology / Quantum computing
Abstract: Senfly explores flying charge qubits for quantum sensing and computing. It targets sensing and entanglement demonstration at the picosecond time scale. The project also aims to establish a roadmap for advancing solid-state flying qubit technology.
Title: Low-Frequency Quantum Optomechanics by dynamical stress control in silicon nitride resonators
Scientific organizer: Thibaut Jacqmin (LKB)
Axis: Quantum sensors&metrology / Enabling science and technology
Abstract: By dynamically tuning the frequency of high-Q silicon-nitride resonators, we aim to achieve ground-state cooling below 10 Hz—paving the way for experiments testing the nature of gravity.
Title: Exploring Photoluminescence in Eu:YSO for new generation ultra-stable LASERS
Scientific organizer: Bess Fang (LTE)
Axis: Quantum sensors&metrology / Enabling science and technology
Abstract: This project aims to characterize the coherence properties of Eu3+ and the ‘glowing’ phenomenon at different doping concentration in YSO matrix, so as to establish a potentially fundamental limit in Eu3+ spectroscopy based ultra-stable lasers.