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Sergei Kühn
Researcher at University of California, Santa Cruz
Publications - 65
Citations - 3711
Sergei Kühn is an academic researcher from University of California, Santa Cruz. The author has contributed to research in topics: Attosecond & Laser. The author has an hindex of 22, co-authored 62 publications receiving 3345 citations. Previous affiliations of Sergei Kühn include Erasmus University Rotterdam & École Polytechnique Fédérale de Lausanne.
Papers
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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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Nanometer resolution and coherent optical dipole coupling of two individual molecules.
TL;DR: Cryogenic laser spectroscopy under a scanning probe electrode that induces a local electric field can be used to optically resolve molecules at the nanometer scale and to manipulate the degree of entanglement among them.
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Room temperature stable single-photon source
Alexios Beveratos,Sergei Kühn,Rosa Brouri,Thierry Gacoin,Jean-Philippe Poizat,Philippe Grangier +5 more
TL;DR: In this article, a stable solid state room temperature source for single photons is proposed based on the fluorescence of a single nitrogen-vacancy (NV) color center in a diamond nanocrystal.
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Nanoparticle-induced fluorescence lifetime modification as nanoscopic ruler: demonstration at the single molecule level.
Johannes D. Seelig,Kris Leslie,A. Renn,Sergei Kühn,V. Jacobsen,M. van de Corput,Claire Wyman,Vahid Sandoghdar +7 more
TL;DR: The simultaneous detection of single nanoparticles and fluorescent molecules presented in this work provides new opportunities for single molecule biophysical studies.
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Diamond colour centres as a nanoscopic light source for scanning near-field optical microscopy.
TL;DR: The first SNOM images taken with nanoscopic diamond crystals as a light source are presented, found to be remarkably stable against bleaching and blinking effects.