Paris-Basel seminar at Ecole normale supérieure
The 11th edition of the Paris-Basel seminar was held on May, 19th and 20th.

For this edition, researchers from Philipp Treutlein’s group at the University of Basel have come to Paris for a two-day session. Subjects as varied as cavity optomechanics, cavity QED, quantum metrology or spin squeezing were discussed by our two groups along with invited speakers from LKB, LTE-Syrte in Paris and ECQS in Strasbourg.
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Mirega featured in french national economy journal
The startup company initiated from the team’s research has been featured in Challenges’ 100 start-ups to invest in in 2025.https://www.challenges.fr/entreprise/start-up/mirega-revolutionner-la-detection-des-fuites-de-gaz-a-effet-de-serre_601025 (in French).
MiTra receives ERC PoC grant
Our miniature greenhouse gas analyzer project has been awarded an ERC Proof-of-Concept (PoC) grant. This will boost our development of an ultracompact yet very accurate analyzer based on our fiber Fabry-Perot microcavity technology. It will measure the concentration of greenhouse gases with an accuracy and stability rivaling state-of-the art instruments, but in a handheld, drone-mountable form factor – less then one tenth the weight and one hundreth the volume of existing instruments.
Spectral engineering of cavity-protected polaritons in an atomic ensemble
Our paper presenting the demonstration of spectral engineering of polaritons in a cold atom cavity system has been published in Nature Physics on May 2nd, 2023. You can read the full paper by accessing it here: https://rdcu.be/dbmX7