Hai Son Nguyen is a physicist specializing in nanophotonics, quantum optics, and condensed matter physics. He is passionate about advancing fundamental research and technological applications in these fields. Hai Son Nguyen's research spans both theoretical investigations and experimental demonstrations, with a focus on exploring the intricate interplay between light and matter in nano and microstructures at sub-wavelength scales. He has three main areas of research:
Novel concepts of optical lattice, including non-Hermitian photonics, topological photonics , and light confinement in moiré structures . He is particularly interested in the topology of non-Hermitian singularities such as Exceptional Points and Bound States in the Continuum . He developped the concept of synthetic momentum to study anomalous high-dimensional topological photonics. He is also working on "magic configurations" to engineer flatband and unconventional light localization in moiré photonic crystal bilayers..
Metasurfaces based on perovskite materials, with a focus on light-management concepts to improve the performance of perovskite-based LEDs and lasers in the weak coupling regime, and to study exciton polariton features in the strong coupling regime. In this direction, he has demonstrated novel perovkskite micro-lasings with tailored emission directionality and original polarization patterns. He has also developed and experimentally demonstrated the concept of an excitonic metasurface to engineer exciton-polaritons at room temperature.
Nanophotonic for quantum optics to enhance the spontaneous emission, tailor new cavities for the strong coupling regime, engineer the radiation pattern and polarization texture of solid-state-based single photon sources. His research includes a broad range of single quantum emitters: single defects in silicon (G-centers, W-centers), III-V quantum dots in nanowires grown on silicon substrates, and single defects in monolayers of 2D materials.
Hai Son Nguyen conducts his research at the Lyon Institute of Nanotechnology (Institut des Nanotechnologies de Lyon - INL) and is an Associate Professor at Ecole Centrale de Lyon, where he teaches Electronic Systems, Quantum Mechanics, and Quantum Information to engineering and master's students.
2020 - present |
Junior member of Institut universitaire de France (IUF). |
2014 - present |
Associate professor at Ecole Centrale de Lyon (ECL) and Permanent Researcher at Institut des Nanotechnologies de Lyon (INL-CNRS), Ecully, France.
Work on "Novel nanophotonic concepts", "Perovskite-based devices" and "Quantum emitter in/on silicon". |
2011 - 2014 |
Postdoctoral Fellow at Laboratoire de photonique et de Nanostructures (LPN-CNRS), Marcoussis, France.
Work on "Polaritonic devices", "Quantum fluid of light" and "Analogue gravity". |
2008 - 2011 |
Graduate student at Laboratoire Pierre Aigrain (LPA), Ecole Normale Supérieur, Paris, France.
Supervisor: Guillaume Cassbois and Carole Diederichs.
Work on "Optical control of resonant emission of single semiconductor quantum dots".
[Thesis PDF]
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2007 - 2008 |
Master of Physics "Quantum devices and Nanostructures" from the Université Paris Diderot (Paris VII).
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2005 - 2008 |
Bachelor of Physics from the Ecole Normale Supérieure de Paris (ENS Paris).
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https://orcid.org/0000-0002-1638-2272
