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pro vyhledávání: '"Lunnemann, Per"'
Strikingly few Nobel laureates within medicine, natural and social sciences are women. Although it is obvious that there are fewer women researchers within these fields, does this gender ratio still fully account for the low number of female Nobel la
Externí odkaz:
http://arxiv.org/abs/1810.07280
Publikováno v:
Phys. Rev. Lett. 117, 233901 (2016)
We present pump-probe measurements of an all-optical photonic crystal switch based on a nanocavity, resolving fast coherent temporal dynamics. The measurements demonstrate the importance of coherent effects typically neglected when considering nanoca
Externí odkaz:
http://arxiv.org/abs/1604.06215
Autor:
Lunnemann, Per, Koenderink, Femius A.
While metamaterials are often desirable for near-field functions, such as perfect lensing, or cloaking, they are often quantified by their response to plane waves from the far field. Here, we present a theoretical analysis of the local density of sta
Externí odkaz:
http://arxiv.org/abs/1602.08862
Autor:
Lunnemann, Per, Koenderink, A. Femius
We present a semi-analytical point-dipole method that uses Ewald lattice summation to find the dispersion relation of guided plasmonic and bianisotropic modes in metasurfaces composed of 2D periodic lattices of arbitrarily strongly scattering magneto
Externí odkaz:
http://arxiv.org/abs/1410.4166
Slow light is a fascinating physical effect, raising fundamental questions related to our understanding of light-matter interactions as well as offering new possibilities for photonic devices. From the first demonstrations of slow light propagation i
Externí odkaz:
http://arxiv.org/abs/1405.0132
Publikováno v:
Phys. Rev. B 88, 245109 (2013)
We explore the electrodynamic coupling between a plane wave and an infinite two-dimensional periodic lattice of magneto-electric point scatterers, deriving a semi-analytical theory with consistent treatment of radiation damping, retardation, and ener
Externí odkaz:
http://arxiv.org/abs/1309.3641
Autor:
Lunnemann, Per, Rabouw, Freddy T., van Dijk-Moes, Relinde J. A., Pietra, Francesca, Vanmaekelbergh, Daniël, Koenderink, A. Femius
Publikováno v:
ACS Nano 7, 5984-5992 (2013)
We demonstrate that a simple silver coated ball lens can be used to accurately measure the entire distribution of radiative transition rates of quantum dot nanocrystals. This simple and cost-effective implementation of Drexhage's method that uses nan
Externí odkaz:
http://arxiv.org/abs/1308.0930
Results of experimental pump-probe spectroscopy of a quantum dash optical amplifier biased at transparency are presented. Using strong pump pulses we observe a competition between free carrier absorption and two-photon induced stimulated emission tha
Externí odkaz:
http://arxiv.org/abs/1111.2757
A scheme comparison of Autler-Townes based slow light in inhomogeneously broadened quantum dot media
Autor:
Lunnemann, Per, Mørk, Jesper
We propose a method to achieve significant optical signal delays exploiting the effect of Autler-Townes splitting in an inhomogeneously broadened quantum dot medium. The absorption and slow-down effects are compared for three schemes i.e. $\Xi$, V an
Externí odkaz:
http://arxiv.org/abs/1008.3826
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