V
Vahid Sandoghdar
Researcher at Max Planck Society
Publications - 355
Citations - 17718
Vahid Sandoghdar is an academic researcher from Max Planck Society. The author has contributed to research in topics: Photon & Quantum optics. The author has an hindex of 66, co-authored 340 publications receiving 16000 citations. Previous affiliations of Vahid Sandoghdar include Erasmus University Rotterdam & Iowa State University.
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Enhancement of single-molecule fluorescence using a gold nanoparticle as an optical nanoantenna.
TL;DR: Comparisons with three-dimensional calculations guide us to decipher the contributions of the excitation enhancement, spontaneous emission modification, and quenching in the molecular excitation and emission processes.
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Detection and spectroscopy of gold nanoparticles using supercontinuum white light confocal microscopy
TL;DR: This work combines confocal microscopy using supercontinuum laser illumination and an interferometric detection technique to identify single nanoparticles of diameter below 10 nm and records the plasmon resonance of a single nanoparticle.
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Very low threshold whispering-gallery-mode microsphere laser.
Vahid Sandoghdar,François Treussart,Jean Hare,Valérie Lefèvre-Seguin,Jean-Michel Raimond,Serge Haroche +5 more
TL;DR: The realization of a whispering-gallery-mode laser based on neodymium-doped silica micro-spheres with potential as a permanent microlaser operating with a few active ions at liquid-helium temperature is reported.
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High-speed nanoscopic tracking of the position and orientation of a single virus.
TL;DR: A colocalization methodology that combines scattering interferometry and single-molecule fluorescence microscopy to visualize both position and orientation of single quantum dot–labeled Simian virus 40 (SV40) particles suggests recurrent swap of receptors and viral pentamers as well as receptor aggregation in nanodomains.
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Splitting of high-Q Mie modes induced by light backscattering in silica microspheres
David S. Weiss,Vahid Sandoghdar,Jean Hare,Valérie Lefèvre-Seguin,Jean-Michel Raimond,Serge Haroche +5 more
TL;DR: It is observed that very high-Q Mie resonances in silica microspheres are split into doublets, attributed to internal backscattering that couples the two degenerate whispering-gallery modes propagating in opposite directions along the sphere equator.