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38 papers · 1 filter
Chiral optical Local Density of States in spiral plasmonic cavity
Aline Pham, Martin Berthel, Quanbo Jiang Joel Bellessa +3
We introduce a new paradigm: the chiral electromagnetic local density of states (LDOS) in a spiral plasmonic nanostructure. In both classical and quantum regimes, we reveal using s…
Highly efficient singular surface plasmon generation by achiral apertures
Quanbo Jiang, Aline Pham, Joel Bellessa +3
We report a highly efficient generation of singular surface plasmon (SP) field by an achiral plasmonic structure consisting of -shaped apertures. Our quantitative analysis based…
Directional and singular surface plasmon generation in chiral and achiral nanostructures demonstrated by Leakage Radiation Microscopy
Quanbo Jiang, Aline Pham, Martin Berthel +4
In this paper, we describe the implementation of leakage radiation microscopy (LRM) to probe the chirality of plasmonic nanostructures. We demonstrate experimentally spin-driven di…
Coherence and aberration effects in surface plasmon polariton imaging
Martin Berthel, Quanbo Jiang, Camille Chartrand +4
We study theoretically and experimentally coherent imaging of surface plasmon polaritons using either leakage radiation microscopy through a thin metal film or interference microsc…
Real-time measurement of nanotube resonator fluctuations in an electron microscope
I. Tsioutsios, A. Tavernarakis, J. Osmond +2
Mechanical resonators based on low-dimensional materials provide a unique platform for exploring a broad range of physical phenomena. The mechanical vibrational states are indeed e…
Ion pairing controls rheological properties of "processionary" polyelectrolyte hydrogels
Hassan Srour, Martien Duvall Deffo Ayagou, Thi Thanh-Tam Nguyen +5
We demonstrated recently that polyelectrolytes with cationic moieties along the chain and a single anionic head are able to form physical hydrogels due to the reversible nature of…