Search Results - "Fedotov, V."

Toroidal dipolar excitation and macroscopic electromagnetic properties of metamaterials by Savinov, V., Fedotov, V. A., Zheludev, N. I.

“…The toroidal dipole is a peculiar electromagnetic excitation that can not be presented in terms of standard electric and magnetic multipoles. A static toroidal…”
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Toroidal Dipolar Response in a Metamaterial by Kaelberer, T, Fedotov, V.A, Papasimakis, N, Tsai, D.P, Zheludev, N.I

“…Toroidal multipoles are fundamental electromagnetic excitations different from those associated with the familiar charge and magnetic multipoles. They have…”
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Electromagnetic toroidal excitations in matter and free space by Papasimakis, N., Fedotov, V. A., Savinov, V., Raybould, T. A., Zheludev, N. I.

“…A review on toroidal excitations, from static toroidal moments in condensed matter, to dynamic toroidal multipoles demonstrated experimentally with…”
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Gyrotropy and permittivity sensing driven by toroidal response by Marinov, K, Fedotov, V A

“…Abstract Using a quasi-static model of a toroidal metamaterial we demonstrate analytically that simultaneous excitation of the magnetic and toroidal dipoles in…”
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Lasing spaser by Zheludev, N. I, Prosvirnin, S. L, Papasimakis, N, Fedotov, V. A

“…In 2003 Bergman and Stockman introduced the spaser, a quantum amplifier of surface plasmons by stimulated emission of radiation 1 . They argued that by…”
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Metamaterial analog of electromagnetically induced transparency by Papasimakis, N, Fedotov, V A, Zheludev, N I, Prosvirnin, S L

“…We demonstrate a classical analog of electromagnetically induced transparency in a planar metamaterial. We show that pulses propagating through such…”
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Resonant Transparency and Non-Trivial Non-Radiating Excitations in Toroidal Metamaterials by Fedotov, V. A., Rogacheva, A. V., Savinov, V., Tsai, D. P., Zheludev, N. I.

“…Engaging strongly resonant interactions allows dramatic enhancement of functionalities of many electromagnetic devices. However, resonances can be dampened by…”
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Sharp trapped-mode resonances in planar metamaterials with a broken structural symmetry by Fedotov, V A, Rose, M, Prosvirnin, S L, Papasimakis, N, Zheludev, N I

“…We report that a resonance response with a very high quality factor can be achieved in a planar metamaterial by introducing symmetry breaking in the shape of…”
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Metamaterials: optical activity without chirality by Plum, E, Liu, X-X, Fedotov, V A, Chen, Y, Tsai, D P, Zheludev, N I

“…We report that the classical phenomenon of optical activity, which is traditionally associated with chirality (helicity) of organic molecules, proteins, and…”
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Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure by Rogacheva, A V, Fedotov, V A, Schwanecke, A S, Zheludev, N I

“…We report experimental evidence that electromagnetic coupling between physically separated planar metal patterns located in parallel planes provides for…”
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Discriminating between Coherent and Incoherent Light with Planar Metamaterials by Frank, T, Buchnev, O, Cookson, T, Kaczmarek, M, Lagoudakis, P, Fedotov, V. A

“…Planar metamaterials represent a powerful paradigm of optical engineering, which enables one to control the flow of light across structured material interfaces…”
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Asymmetric propagation of electromagnetic waves through a planar chiral structure by Fedotov, V A, Mladyonov, P L, Prosvirnin, S L, Rogacheva, A V, Chen, Y, Zheludev, N I

“…We report that normal incidence transmission of circularly polarized waves through the lossy anisotropic planar chiral structure is asymmetric in the opposite…”
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Metasurface-Based Optical Liquid Crystal Cell as an Ultrathin Spatial Phase Modulator for THz Applications by Buchnev, O, Podoliak, N, Kaltenecker, K, Walther, M, Fedotov, V. A

“…A concept of an efficient ultrathin spatial phase modulator for correcting terahertz wavefronts in transmission with subwavelength spatial resolution is…”
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Electro-optical control in a plasmonic metamaterial hybridised with a liquid-crystal cell by Buchnev, O, Ou, J Y, Kaczmarek, M, Zheludev, N I, Fedotov, V A

“…We experimentally demonstrate efficient electro-optical control in an active nano-structured plasmonic metamaterial hybridised with a liquid-crystal cell. The…”
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A Neuro Fuzzy Method for Hydrochemical Data Processing in River Flow Analysis by Rosenthal, O. M., Fedotov, V. Kh

“…The production, social, and ecological requirements for maintaining the quality of inland waters necessitated establishing a network of hydrochemical…”
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Towards the lasing spaser: controlling metamaterial optical response with semiconductor quantum dots by Plum, E, Fedotov, V A, Kuo, P, Tsai, D P, Zheludev, N I

“…We report the first experimental demonstration of compensating Joule losses in metallic photonic metamaterial using optically pumped PbS semiconductor quantum…”
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Giant nonlinearity in a superconducting sub-terahertz metamaterial by Savinov, V., Delfanazari, K., Fedotov, V. A., Zheludev, N. I.

“…We report a superconducting sub-THz metamaterial operating in a CW-regime, which exhibits a record-breaking resonant third-order nonlinearity with effective n…”
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Frequency down-conversion based on optical cascading process—New effective way for generation of far infrared or THz radiation by Trofimov, Vyacheslav A, Kharitonov, Dmitry M, Fedotov, Mikhail V

“…Infrared and THz optics has many promising practical applications such as in spectroscopy, diagnostic, optical metrology, sensing, and many others. Due to…”
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Nanostructured Metal Film with Asymmetric Optical Transmission by Schwanecke, A. S, Fedotov, V. A, Khardikov, V. V, Prosvirnin, S. L, Chen, Y, Zheludev, N. I

“…We demonstrate for the first time a nanostructured planar photonic metamaterial transmitting light differently in forward and backward directions…”
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Chiral-selective growth of single-walled carbon nanotubes on Fe-based catalysts using CO as carbon source by He, Maoshuai, Fedotov, Pavel V., Chernov, Alexander, Obraztsova, Elena D., Jiang, Hua, Wei, Na, Cui, Hongzhi, Sainio, Jani, Zhang, Weiguo, Jin, Hua, Karppinen, Maarit, Kauppinen, Esko I., Loiseau, Annick

“…MgO supported monometallic Fe (FeMgO) and bimetallic FeMn (FeMnMgO) catalysts were developed for growing carbon nanotubes using CO as carbon source…”
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