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Highlights
Mode-Specific Coupling of Nanoparticle-on-Mirror Cavities with Cylindrical Vector Beams
We demonstrate selective excitation of nanocavity modes controlled by the polarization and frequency of a laser beam. More precisely, we record confocal maps of Raman scattering excited by cylindrical vector beams, which are compared to the known excitation near-field patterns. Our measurements reveal the transverse vs. longitudinal polarization of the excited antenna mode and how (…)
Toward a diamond sensing platform for measuring neuronal activity
Our group, in collaboration with the EPFL School of Engineering, Institute of Electrical and Micro Engineering and the EPFL School of Life Science, successfully demonstrates growth of a network of living and functional primary mouse hippocampal neurons on a nanostructured single crystal diamond surface. Our results suggest that neuron growth can be tailored on diamond (…)
Measurement-induced collective vibrational quantum coherence under spontaneous Raman scattering in a liquid
Spontaneous Raman scattering is classically understood as an incoherent process. Here, we evidence that a macroscopic quantum coherence among billions of vibrating molecules is generated when detecting a single Stokes photon collected into a single-mode fiber. Our results show that at the quantum level spontaneous Raman scattering is an intrinsically collective effect, even in the (…)
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