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Imaging an isolated water molecule using a single electron wave packet
(American Institute of Physics (AIP), 2019-07-14)
Article
Open AccessObserving changes in molecular structure requires atomic-scale Ångstrom and femtosecond spatio-temporal resolution. We use the Fourier transform (FT) variant of laser-induced electron diffraction (LIED), FT-LIED, to directly ... -
Superfluid vortex dynamics on a torus and other toroidal surfaces of revolution
(American Physical Society (APS), 2020-05-04)
Article
Open AccessThe superfluid flow velocity is proportional to the gradient of the phase of the superfluid order parameter, leading to the quantization of circulation around a vortex core. In this work, we study the dynamics of a ... -
Plasmonics in atomically thin crystalline silver films
(2019-07-23)
Article
Open AccessLight-matter interaction at the atomic scale rules fundamental phenomena such as photoemission and lasing while enabling basic everyday technologies, including photovoltaics and optical communications. In this context, ... -
Theory of electron energy-loss spectroscopy in atomically thin metallic films
(American Physical Society, 2020-04-28)
Article
Open AccessWe study strongly confined plasmons in ultrathin gold and silver films by simulating electron energy-loss spectroscopy. Plasmon dispersion relations are directly retrieved from the energy- and momentum-resolved loss ... -
Quantum effects in the acoustic plasmons of atomically thin heterostructures
(Optical Society of American (OSA), 2019-05-20)
Article
Open AccessRecent advances in nanofabrication technology now enable unprecedented control over 2D heterostructures, in whichsingle- or few-atom-thick materials with synergetic optoelectronic properties can be combined to ... -
Quantum-inspired Fredkin gate based on spatial modes of light
(2020-04-27)
Article
Open AccessInsights gained from quantum physics can inspire novel classical technologies. These quantum-inspired technologies are protocols that aim at mimicking particular features of quantum algorithms. They are generally easier ... -
Optical coherence tomography with a nonlinear interferometer in the high parametric gain regime
(2020-08-31)
Article
Open AccessWe demonstrate optical coherence tomography based on an SU(1,1) nonlinear interferometer with high-gain parametric down-conversion. For imaging and sensing applications, this scheme promises to outperform previous experiments ... -
Light harvesting at oblique incidence decoupled from transmission in organic solar cells exhibiting 9.8% efficiency and 50% visible light transparency
(2020-01-01)
Article
Open AccessFor many years, it has been recognized that potential organic photovoltaic cells must be integrated into elements requiring high transparency. In most of such elements, sunlight is likely to be incident at large angles. ... -
Spatial spectroscopy for high resolution imaging
(2020)
Article
Open AccessQuantum estimation theory provides bounds for the precision in the estimation of a set of parameters that characterize a system. Two questions naturally arise: Is any of these bounds tight And if this is the case, what ... -
Frequency-correlation requirements on the biphoton wave function in an induced-coherence experiment between separate sources
(American Physical Society, 2020-11-11)
Article
Open AccessThere is renewed interest in using the coherence between beams generated in separate down- converter sources for new applications in imaging, spectroscopy, microscopy and optical coherence tomography (OCT). These schemes ... -
Shopper intent prediction from clickstream e-commerce data with minimal browsing information
(Nature, 2020-10-12)
Article
Open AccessWe address the problem of user intent prediction from clickstream data of an e-commerce website via two conceptually different approaches: a hand-crafted feature-based classification and a deep learning-based classification. ... -
Tomato and melon Meloidogyne resistant rootstocks improve crop yield but melon fruit quality is influenced by the cropping season
(2020-11-05)
Article
Open AccessFour rotation sequences consisting of ungrafted tomato cv. Durinta – melon cv. Paloma or tomato grafted onto the resistant rootstock ‘Aligator’ – melon grafted onto the resistant Cucumis metuliferus accession BGV11135, and ...
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