Pierre-François Cohadon leads the optomechanics and quantum measurements group at LKB (ENS site). Research: (1) mechanical quantum systems and back-action-evading measurement; (2) gravitational wave detector enhancement — white-light cavity proposals to extend GW sensitivity; (3) quantum optomechanical sensing of forces and fields. The group was key to the LKB optomechanics tradition and is affiliated with Virgo/LIGO enhancement proposals.
Kippenberg leads the Laboratory of Photonics and Quantum Measurements (K-Lab) at EPFL, pioneer of chip-scale microresonator frequency combs and cavity optomechanics. Research directions: (1) Soliton microcombs — dissipative Kerr solitons in Si3N4 microresonators for massively parallel coherent optical communications, precision ranging/LiDAR (Science 2018, Nature 2017); dual-chirped microcomb parallel ranging at megapixel rates; (2) Room-temperature quantum optomechanics — phononic-crystal-patterned Si3N4 membrane-in-the-middle cavity reduces frequency noise 700×, observing quantum backaction at room temperature (Nature 2024); (3) Superconducting circuit optomechanics — topological lattices, electromechanical sensing (Nature 2022); (4) Free-electron–photon interactions in microresonators. Spin-off companies and strong industry ties. Over 85,000 citations, h-index ~80.