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20022015
most citedQuasiparticle band structure based on a generalized Kohn-Sham scheme

554 citations

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Showing 2012 · physics.opticsShow all

5 papers · 2 filters

physics.optics2012★ 108 cited

Tunable Graphene Antennas for Selective Enhancement of THz-Emission

R. Filter, M. Farhat, M. Steglich +3

In this paper, we will introduce THz graphene antennas that strongly enhance the emission rate of quantum systems at specific frequencies. The tunability of these antennas can be u…

physics.optics2012★ 26 cited

Higher-order Kerr effect and harmonic cascading in gases

Morten Bache, Falk Eilenberger, Stefano Minardi

The higher-order Kerr effect (HOKE) has been recently advocated to explain measurements of the saturation of the nonlinear refractive index in gases. Here we show that cascaded thi…

physics.optics2012★ 35 cited

Contribution of the magnetic resonance to the third harmonic generation from a fishnet metamaterial

J. Reinhold, M. R. Shcherbakov, A. Chipouline +9

We investigate experimentally and theoretically the third harmonic generated by a double-layer fishnet metamaterial. To unambiguously disclose most notably the influence of the mag…

physics.optics2012★ 18 cited

Expansion of a wave-packet in lattices with disorder and nonlinearity

Uta Naether, Santiago Rojas-Rojas, Alejandro J. Martinez +6

We show, theoretically and experimentally, the counterintuitive result that an increase of disorder can result in an enhanced spreading of an initially localized excitation. Moreov…

physics.optics2012★ 46 cited

Biphoton generation in quadratic waveguide arrays: A classical optical simulation

Markus Gräfe, Alexander. S. Solntsev, Robert Keil +6

Quantum entanglement, the non-separability of a multipartite wave function, became essential in understanding the non-locality of quantum mechanics. In optics, this non-locality ca…