%0 Journal Article %T Dynamical Coulomb Blockade of Shot Noise %+ Groupe Nano-Electronique (GNE) %+ Quantronics Group (QUANTRONICS) %A Altimiras, Carles %A Parlavecchio, Olivier %A Joyez, Philippe %A Vion, Denis %A Roche, Patrice %A Esteve, Daniel %A Portier, Fabien %Z This project was funded by the CNano-IDF Shot-E-Phot and Masquel, the Triangle de la Physique DyCoBloS and ANR AnPhoTeQ grants. %< avec comité de lecture %@ 0031-9007 %J Physical Review Letters %I American Physical Society %V 112 %N 23 %P 236803 %8 2014 %D 2014 %Z 1403.5999v2 %R 10.1103/PhysRevLett.112.236803 %Z Physics [physics]Journal articles %X We observe the suppression of the finite frequency shot-noise produced by a voltage biased tunnel junction due to its interaction with a single electromagnetic mode of high impedance. The tunnel junction is embedded in a quarter wavelength resonator containing a dense SQUID array providing it with a characteristic impedance in the kOhms range and a resonant frequency tunable in the 4-6 GHz range. Such high impedance gives rise to a sizeable Coulomb blockade on the tunnel junction (roughly 30% reduction in the differential conductance) and allows an efficient measurement of the spectral density of the current fluctuations at the resonator frequency. The observed blockade of shot-noise is found in agreement with an extension of the dynamical Coulomb blockade theory. %G English %2 https://cea.hal.science/cea-01384659/document %2 https://cea.hal.science/cea-01384659/file/1409.5630v1.pdf %L cea-01384659 %U https://cea.hal.science/cea-01384659 %~ CEA %~ CNRS %~ IRAMIS-SPEC %~ ANR %~ IRAMIS %~ GS-PHYSIQUE %~ TEST3-HALCNRS