Search Results - "Peschel, U."

Observation of photon-photon thermodynamic processes under negative optical temperature conditions by Marques Muniz, A L, Wu, F O, Jung, P S, Khajavikhan, M, Christodoulides, D N, Peschel, U

“…Statistical mechanics demands that the temperature of a system is positive provided that its internal energy has no upper bound. Yet if this condition is not…”
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Tailoring nanowire lasing modes via coupling to metal gratings by Vitale, F., Repp, D., Siefke, T., Zeitner, U., Peschel, U., Pertsch, T., Ronning, C.

“…Tailoring the emission of plasmonic nanowire-based lasers represents one of the major challenges in the field of nanoplasmonics, given the envisaged…”
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Propagative Oscillations in Codirectional Polariton Waveguide Couplers by Beierlein, J, Rozas, E, Egorov, O A, Klaas, M, Yulin, A, Suchomel, H, Harder, T H, Emmerling, M, Martín, M D, Shelykh, I A, Schneider, C, Peschel, U, Viña, L, Höfling, S, Klembt, S

“…We report on novel exciton-polariton routing devices created to study and purposely guide light-matter particles in their condensate phase. In a codirectional…”
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Experimental Observation of Linear and Nonlinear Optical Bloch Oscillations by Morandotti, R., Peschel, U., Aitchison, J. S., Eisenberg, H. S., Silberberg, Y.

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Topological Optical Waveguiding of Exciton‐Polariton Condensates by Beierlein, J., Egorov, O. A., Gagel, P., Harder, T. H., Wolf, A., Emmerling, M., Betzold, S., Jabeen, F., Ma, L., Höfling, S., Peschel, U., Klembt, S.

“…Abstract 1D models with topological non‐trivial band structures are a simple and effective way to study novel and exciting concepts in topological photonics…”
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On the fundamental structure of femtosecond laser-induced nanogratings by Richter, S., Plech, A., Steinert, M., Heinrich, M., Döring, S., Zimmermann, F., Peschel, U., Kley, E.Bernhard, Tünnermann, A., Nolte, S.

“…The nanoscale structure of femtosecond laser‐induced modifications known as “nanogratings” has been the subject of speculation and intensive debate throughout…”
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Design of a mode converter for efficient light-atom coupling in free space by SONDERMANN, M, MAIWALD, R, KONERMANN, H, LINDLEIN, N, PESCHEL, U, LEUCHS, G

“…In this article, we describe how to develop a mode converter that transforms a plane electromagnetic wave into an inward-moving dipole wave. The latter one is…”
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Dynamics of Discrete Solitons in Optical Waveguide Arrays by Morandotti, R., Peschel, U., Aitchison, J. S., Eisenberg, H. S., Silberberg, Y.

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Anomalous refraction and diffraction in discrete optical systems by Pertsch, T, Zentgraf, T, Peschel, U, Bräuer, A, Lederer, F

“…We experimentally prove that light propagation in a discrete system, i.e., an array of coupled waveguides, exhibits striking anomalies. We show that refraction…”
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An intelligible explanation of highly-efficient diffraction in deep dielectric rectangular transmission gratings by Clausnitzer, T, Kämpfe, T, Kley, E-B, Tünnermann, A, Peschel, U, Tishchenko, A V, Parriaux, O

“…This paper describes in a very easy and intelligible way, how the diffraction efficiencies of binary dielectric transmission gratings depend on the geometrical…”
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Experimental cross-polarization detection of coupling far-field light to highly confined plasmonic gap modes via nanoantennas by Wen, J., Banzer, P., Kriesch, A., Ploss, D., Schmauss, B., Peschel, U.

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Fiber-modes and fiber-anisotropy characterization using low-coherence interferometry by Ma, Y. Z., Sych, Y., Onishchukov, G., Ramachandran, S., Peschel, U., Schmauss, B., Leuchs, G.

“…An optical low-coherence interferometry technique has been used to simultaneously resolve the mode profile and to measure the intermodal dispersion of guided…”
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Bloch Oscillations of Hybrid Light‐Matter Particles in a Waveguide Array by Beierlein, J., Egorov, O. A., Harder, T. H., Gagel, P., Emmerling, M., Schneider, C., Höfling, S., Peschel, U., Klembt, S.

“…Bloch oscillations are a phenomenon well known from quantum mechanics where electrons in a lattice experience an oscillatory motion in the presence of an…”
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Spectral and temporal Bloch oscillations in optical fibres by Bersch, C., Onishchukov, G., Peschel, U.

“…Inspired by the space-time duality of paraxial beam diffraction and dispersive pulse spreading, the experimental implementation of a temporal equivalent of…”
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Electrical circuit model of arrays of resonant elements by Lomanets, V., Zhuromskyy, O., Onishchukov, G., Peschel, U.

“…We present an effective electrical circuit model that can be used for a quasianalytic analysis of electromagnetic oscillations in arrays of coupled elements,…”
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Interaction of highly focused vector beams with a metal knife-edge by Marchenko, P, Orlov, S, Huber, C, Banzer, P, Quabis, S, Peschel, U, Leuchs, G

“…We investigate the interaction of highly focused linearly polarized optical beams with a metal knife-edge both theoretically and experimentally. A high…”
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Extraordinary low transmission effects for ultra-thin patterned metal films by Reibold, D, Shao, F, Erdmann, A, Peschel, U

“…Thin metal films show a residual transmission for light in the visible and UV spectral range. This transmission can be strongly reduced by an appropriate…”
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Tracing spatial confinement in semiconductor quantum dots by high-order harmonic generation by Gopalakrishna, H. N., Baruah, R., Hünecke, C., Korolev, V., Thümmler, M., Croy, A., Richter, M., Yahyaei, F., Hollinger, R., Shumakova, V., Uschmann, I., Marschner, H., Zürch, M., Reichardt, C., Undisz, A., Dellith, J., Pugžlys, A., Baltuška, A., Spielmann, C., Peschel, U., Gräfe, S., Wächtler, M., Kartashov, D.

“…We report here on results of systematic experimental-theoretical investigation of high-order harmonic generation (HHG) in layers of CdSe semiconductor quantum…”
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Interaction of femtosecond light filaments with obscurants in aerosols by SKUPIN, S, BERGE, L, PESCHEL, U, LEDERER, F

“…The interaction of ultrashort laser pulses with opaque droplets in the atmosphere is examined numerically. Intense filaments resulting from the balance between…”
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Gold film-terminated 3-dimensional photonic crystals by Ding, B., Pemble, M. E., Korovin, A. V., Peschel, U., Romanov, S. G.

“…Hybrid metal-dielectric photonic crystals assembled from an opal film coated by a gold film are designed in order to realize optical spectra that emanate from…”
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