Rare-earth Ions for Quantum Information

Timetable

Tuesday, September 16, 2025

Time Event (+)
09:00 - 09:45 Participant welcome and registration (Theater of Valrose)  
09:45 - 10:00 Workshop introduction (Theater of Valrose) - Jean Etesse  
10:00 - 10:30 Singles (Theater of Valrose) (+)  
10:00 - 10:30 › Characterization of Single Erbium ion in Lithium Niobate for Quantum Network Applications - Emanuele Urbinati, Kavli Institute of Nanosciences [Delft], Université de Genève = University of Geneva  
10:30 - 11:00 Coffee Break (Theater of Valrose)  
11:00 - 12:00 Singles (Theater of Valrose) - T. Chanelière (+)  
11:00 - 11:30 › Rare-earth ions in CaF2 for scalable quantum technologies - Michael Moull, University of Canterbury  
11:30 - 12:00 › Comparing the performance of practical two-qubit gates for individual 171-Yb ions in yttrium orthovanadate - Mahsa Karimi, University of Calgary  
12:00 - 13:30 Lunch  
13:30 - 14:30 Singles (Theater of Valrose) - D. Hunger (+)  
13:30 - 14:00 › High-resolution spectroscopy of single nuclear spins via microwave photon counting - Jaime Travesedo, Quantronics Group  
14:00 - 14:30 › Erbium crystals enhanced by Fabry-Perot cavities - Mayssane SELMANI, Technische Universität Munchen - Technical University Munich - Université Technique de Munich  
14:30 - 15:30 Materials (Theater of Valrose) - D. Hunger (+)  
14:30 - 15:00 › Optical and spin characterization of Eu3+-based organic molecular complexes for quantum information applications - Vishnu Unni Chorakkunnath, Institute for Quantum Materials and Technologies (IQMT), Karlsruhe Institute of Technology (KIT) - Evgenij Vasilenko, Institute for Quantum Materials and Technologies (IQMT), Karlsruhe Institute of Technology (KIT)  
15:00 - 15:30 › Investigating inhomogeneous profile correlations between two optical transitions via SHB in Er:YSO - Flora Segur, Thales Research & Technology, Institut Langevin - Ondes et Images (UMR7587)  
15:30 - 16:00 Coffee break  
16:00 - 17:30 Materials (Theater of Valrose) - P. Goldner (+)  
16:00 - 16:30 › Spin decoherence dynamics of Er3+ in CeO2 film - Sagar Kumar Seth, University of Chicago, Argonne National Laboratory [Lemont]  
16:30 - 17:00 › Optical and spin coherent spectroscopy of Eu3+:Y2O3 transparent ceramics - Shuping Liu, Shenzhen International Quantum Academy, and Shenzhen Branch, Hefei National Laboratory, Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology  
17:00 - 17:30 › Spectroscopic investigations of an excited-state transition in Tm3+: YAlO3 - Akshay Karyath, Université de Genève = University of Geneva - Luozhen Li, Université de Genève = University of Geneva  
17:30 - 19:00 Poster Session - First poster session  
20:00 - 23:00 Conference dinner  

Wednesday, September 17, 2025

Time Event (+)
09:30 - 10:30 Memories (Theater of Valrose) - H. de Riedmatten (+)  
09:30 - 10:00 › A metropolitan-scale multiplexed quantum repeater with Bell nonlocality - ZONGQUAN ZHOU, USTC  
10:00 - 10:30 › Quantum teleportation from telecom photons to erbium-ion ensembles - Yuyang An, National Laboratory of Solid State Microstructures [Nanjing University]  
10:30 - 11:00 Coffee break  
11:00 - 11:30 Memories (Theater of Valrose) - A. Louchet-Chauvet (+)  
11:00 - 11:30 › Building Quantum Networks of Superconducting Circuits mediated by Telecom Photons - Steven Touzard, Centre for Quantum Technologies [Singapore], Department of Materials Science and Engineering, National University of Singapore, Department of Physics, Faculty of Science, National University of Singapore, MajuLab  
11:30 - 12:10 Metrology (Theater of Valrose) - A. Louchet-Chauvet (+)  
11:30 - 11:50 › Thermodynamical versus coherence properties in europium doped Y2SiO5. - Signe Seidelin, Université Grenoble Alpes, Institut NEEL, CNRS  
11:50 - 12:10 › Thermal-noise limits to the frequency stability of spectral hole referenced lasers using Eu:YSO crystals - Bess Fang, Laboratoire Temps Espace (LNE-OP)  
12:10 - 13:30 Lunch  
13:30 - 15:00 Microwaves (Theater of Valrose) - B. Fang (+)  
13:30 - 14:00 › Many-body physics and microwave-to-optical transduction with Yb doped crystals - Riku Fukumori, Caltech Division of Engineering and Applied Science, Institute for Quantum Information and Matter  
14:00 - 14:30 › Memory-assisted microwave-to-optical transduction - Ujjwal Gautam, University of Calgary  
14:30 - 15:00 › Emergence of highly coherent two-level systems in a noisy, randomly doped rare earth magnet - Markus Müller, Paul Scherrer Institut  
15:00 - 15:30 Metrology (Theater of Valrose) - B. Fang (+)  
15:00 - 15:30 › Piezospectroscopic sensitivity of Erbium - Ben Field, Centre for Engineered Quantum Systems, School of Physics, University of Sydney, Sydney Nanoscience Institute, University of Sydney, Sydney Quantum Academy, Sydney  
15:30 - 16:00 Coffee break  
16:00 - 17:00 Materials (Theater of Valrose) - S. Hermans (+)  
16:00 - 16:20 › Strain engineering for Er3+ emitters coupled to Y2O3 membranes - Diana Kim, Ecole Nationale Supérieure de Chimie de Paris- Chimie ParisTech-PSL  
16:20 - 16:40 › Coherent Optical and Spin Spectroscopy of 171Yb3+:CaWO4 Crystals at Varying Dopant Concentrations - Karolina Waszkowska, Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL  
16:40 - 17:00 › Rare Earth-Diamond Hybrid Structures for Quantum Technologies - Anatole Bach, Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL  
17:00 - 19:00 Poster session - Second poster session  

Thursday, September 18, 2025

Time Event (+)
09:30 - 10:30 Memories (INPHYNI's seminar room) - M. Mazzera (+)  
09:30 - 10:00 › Towards broadband coherent manipulation of rare-earth spins in CaWO4 - Georg Mair, Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany, School of Natural Sciences, Technische Universität München, 85748 Garching, Germany  
10:00 - 10:30 › Toward highly efficient integrated quantum memories in rare earth doped crystals - Mickael CHAN, Thales Research & Technology, Centre de Nanosciences et de Nanotechnologies  
10:30 - 11:00 Coffee break  
11:00 - 12:00 Memories (INPHYNI's seminar room) - M. Afzelius (+)  
11:00 - 11:15 › Dynamically decoupled storage of single photons in a Pr3+:YSO quantum memory - Alberto Rodriguez-Moldes, Institut de Ciencies Fotoniques [Castelldefels]  
11:15 - 11:30 › Towards a functional quantum repeater link using Pr3+:YSO quantum memories - Félicien Appas, ICFO  
11:30 - 12:00 › Transportation-Based Quantum Repeaters for Global Distribution of Entanglement. - Mira Abu Yahia - Department of Physics, Lund University, Erik Lundblad - Department of Physics, Lund University  
12:00 - 12:30 Workshop closing speech (INPHYNI's seminar room)  
12:30 - 13:30 Lunch  
13:30 - 16:30 Lab Tour - Lab tour at Institut de Physique de Nice  
   /program?lang=en
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