User profiles for J. Feldmann

Jochen Feldmann

- Verified email at lmu.de - Cited by 46343

Jörg Feldmann

- Verified email at uni-graz.at - Cited by 23737

Johannes Feldmann

- Verified email at materials.ox.ac.uk - Cited by 3247

Parallel convolutional processing using an integrated photonic tensor core

J Feldmann, N Youngblood, M Karpov, H Gehring, X Li… - Nature, 2021 - nature.com
With the proliferation of ultrahigh-speed mobile networks and internet-connected devices,
along with the rise of artificial intelligence (AI) 1 , the world is generating exponentially …

All-optical spiking neurosynaptic networks with self-learning capabilities

J Feldmann, N Youngblood, CD Wright, H Bhaskaran… - Nature, 2019 - nature.com
Software implementations of brain-inspired computing underlie many important computational
tasks, from image processing to speech recognition, artificial intelligence and deep …

State of the art and prospects for halide perovskite nanocrystals

…, J Feldmann, J Hofkens, JM Luther, J Pérez-Prieto… - ACS …, 2021 - ACS Publications
Metal-halide perovskites have rapidly emerged as one of the most promising materials of
the 21st century, with many exciting properties and great potential for a broad range of …

Properties and applications of colloidal nonspherical noble metal nanoparticles

…, AL Rogach, F Jäckel, TA Klar, J Feldmann - Advanced …, 2010 - Wiley Online Library
… where ε is the complex wavelength-dependent dielectric function of the metal, L j is the
geometrical depolarization factor along the axis j, and ε m is the dielectric function of the …

Critical review or scientific opinion paper: arsenosugars—a class of benign arsenic species or justification for developing partly speciated arsenic fractionation in …

J Feldmann, EM Krupp - Analytical and bioanalytical chemistry, 2011 - Springer
In this opinion paper the toxicokinetic behaviour of arsenosugars is reviewed and compared
with that of inorganic arsenic and arsenobetaine. It is concluded that the arsenosugars are …

Drastic reduction of plasmon damping in gold nanorods

…, T Franzl, T Wilk, G von Plessen, J Feldmann… - Physical review …, 2002 - APS
The dephasing of particle plasmons is investigated using light-scattering spectroscopy on
individual gold nanoparticles. We find a drastic reduction of the plasmon dephasing rate in …

Fluorescence quenching of dye molecules near gold nanoparticles: radiative and nonradiative effects

…, AC Morteani, T Niedereichholz, TA Klar, J Feldmann… - Physical review …, 2002 - APS
The radiative and nonradiative decay rates of lissamine dye molecules, chemically attached
to differently sized gold nanoparticles, are investigated by means of time-resolved …

Linewidth dependence of radiative exciton lifetimes in quantum wells

J Feldmann, G Peter, EO Göbel, P Dawson, K Moore… - Physical review …, 1987 - APS
The fundamental relationship between radiative lifetime and spectral linewidth of free
excitons is demonstrated theoretically and experimentally for quasi 2D excitons in …

Surface-plasmon resonances in single metallic nanoparticles

…, S Grosse, G Von Plessen, W Spirkl, J Feldmann - Physical Review Letters, 1998 - APS
Using a near-field optical antenna effect, we measure the homogeneous line shape of the
surface-plasmon resonance in single gold nanoparticles. The surface-plasmon dephasing …

Gold nanoparticles quench fluorescence by phase induced radiative rate suppression

E Dulkeith, M Ringler, TA Klar, J Feldmann… - Nano …, 2005 - ACS Publications
The fluorescence quantum yield of Cy5 molecules attached to gold nanoparticles via
ssDNA spacers is measured for Cy5-nanoparticle distances between 2 and 16 nm. Different …