Search Results - "Michel, Ann"

A Switchable Mid-Infrared Plasmonic Perfect Absorber with Multispectral Thermal Imaging Capability by Tittl, Andreas, Michel, Ann-Katrin U., Schäferling, Martin, Yin, Xinghui, Gholipour, Behrad, Cui, Long, Wuttig, Matthias, Taubner, Thomas, Neubrech, Frank, Giessen, Harald

“…A switchable perfect absorber with multispectral thermal imaging capability is presented. Aluminum nanoantenna arrays above a germanium antimony telluride…”
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Active Chiral Plasmonics by Yin, Xinghui, Schäferling, Martin, Michel, Ann-Katrin U, Tittl, Andreas, Wuttig, Matthias, Taubner, Thomas, Giessen, Harald

“…Active control over the handedness of a chiral metamaterial has the potential to serve as key element for highly integrated polarization engineering…”
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Advanced Optical Programming of Individual Meta‐Atoms Beyond the Effective Medium Approach by Michel, Ann‐Katrin U., Heßler, Andreas, Meyer, Sebastian, Pries, Julian, Yu, Yuan, Kalix, Thomas, Lewin, Martin, Hanss, Julian, De Rose, Angela, Maß, Tobias W. W., Wuttig, Matthias, Chigrin, Dmitry N., Taubner, Thomas

“…Nanometer‐thick active metasurfaces (MSs) based on phase‐change materials (PCMs) enable compact photonic components, offering adjustable functionalities for…”
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Optical Metasurfaces: Evolving from Passive to Adaptive by Hail, Claudio U., Michel, Ann‐Katrin U., Poulikakos, Dimos, Eghlidi, Hadi

“…Optical metasurfaces are nanoengineered architectures aiming at the functional control of light propagation. In recent years, the performance of metasurfaces…”
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Reversible optical switching of highly confined phonon–polaritons with an ultrathin phase-change material by Li, Peining, Yang, Xiaosheng, Maß, Tobias W. W., Hanss, Julian, Lewin, Martin, Michel, Ann-Katrin U., Wuttig, Matthias, Taubner, Thomas

“…Surface phonon–polaritons (SPhPs), collective excitations of photons coupled with phonons in polar crystals, enable strong light–matter interaction and…”
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Design Parameters for Phase‐Change Materials for Nanostructure Resonance Tuning by Michel, Ann‐Katrin U., Wuttig, Matthias, Taubner, Thomas

“…Phase‐change materials (PCMs) are a promising platform for programmable metamaterials in the infrared (IR) spectral range. This is based on the large…”
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Using Low-Loss Phase-Change Materials for Mid-Infrared Antenna Resonance Tuning by Michel, Ann-Katrin U, Chigrin, Dmitry N, Maß, Tobias W. W, Schönauer, Kathrin, Salinga, Martin, Wuttig, Matthias, Taubner, Thomas

“…We show tuning of the resonance frequency of aluminum nanoantennas via variation of the refractive index n of a layer of phase-change material. Three…”
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Highly Confined and Switchable Mid-Infrared Surface Phonon Polariton Resonances of Planar Circular Cavities with a Phase Change Material by Sumikura, Hisashi, Wang, Tao, Li, Peining, Michel, Ann-Katrin U, Heßler, Andreas, Jung, Lena, Lewin, Martin, Wuttig, Matthias, Chigrin, Dmitry N, Taubner, Thomas

“…Mid-infrared (MIR) photonics demands highly confined optical fields to obtain efficient interaction between long-wavelength light and nanomaterials. Surface…”
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Subwavelength hybrid plasmonic structures for nonlinear nanophotonics by Michel, Ann-Katrin U.

“…Plasmonic structures made of a semiconductor-insulator-metal hybrid provide efficient routes for second-harmonic and sum-frequency generation in sub-micrometer…”
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Reversible Optical Switching of Infrared Antenna Resonances with Ultrathin Phase-Change Layers Using Femtosecond Laser Pulses by Michel, Ann-Katrin U, Zalden, Peter, Chigrin, Dmitry N, Wuttig, Matthias, Lindenberg, Aaron M, Taubner, Thomas

“…Recently, phase-change materials (PCMs) have gained a lot of interest in the field of active metamaterials and plasmonics due to their switchable optical…”
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Phase Change Materials for Optics and Photonics: feature issue introduction by Ríos, Carlos, Zhou, Linjie, Michel, Ann-Katrin U., Majumdar, Arka, Hu, Juejun

“…We introduce the Optical Materials Express feature issue on Phase Change Materials for Optics and Photonics . This issue comprises a collection of seventeen…”
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Magneto-thermopower and magnetoresistance of single Co-Ni alloy nanowires by Böhnert, Tim, Vega, Victor, Michel, Ann-Kathrin, Prida, Victor M., Nielsch, Kornelius

“…The magneto-thermopower is measured and correlated to the anisotropic magnetoresistance of Co-Ni alloyed nanowires with varying composition. The highest…”
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The Potential of Combining Thermal Scanning Probes and Phase‐Change Materials for Tunable Metasurfaces by Michel, Ann‐Katrin U., Meyer, Sebastian, Essing, Nicolas, Lassaline, Nolan, Lightner, Carin R., Bisig, Samuel, Norris, David J., Chigrin, Dmitry N.

“…Metasurfaces allow for the spatiotemporal variation of amplitude, phase, and polarization of optical wavefronts. Implementation of active tunability of…”
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Magnetothermopower and magnetoresistance of single Co-Ni/Cu multilayered nanowires by Böhnert, Tim, Niemann, Anna Corinna, Michel, Ann-Kathrin, Bäßler, Svenja, Gooth, Johannes, Tóth, Bence G., Neuróhr, Katalin, Péter, László, Bakonyi, Imre, Vega, Victor, Prida, Victor M., Nielsch, Kornelius

“…The magnetothermopower and the magnetoresistance of single Co-Ni/Cu multilayered nanowires with various thicknesses of the Cu spacer are investigated. Both…”
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Optical Properties of Amorphous and Crystalline GeTe Nanoparticle Thin Films: A Phase-Change Material for Tunable Photonics by Michel, Ann-Katrin U, Sousa, Marilyne, Yarema, Maksym, Yarema, Olesya, Ovuka, Vladimir, Lassaline, Nolan, Wood, Vanessa, Norris, David J

“…Phase-change materials (PCMs), which are well-established in optical and random-access memories, are increasingly studied for emerging topics such as…”
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Efficacy and safety of in-hospital treatment of Covid-19 infection with low-dose hydroxychloroquine and azithromycin in hospitalized patients: A retrospective controlled cohort study by Meeus, Gert, Van Coile, Frauke, Pottel, Hans, Michel, Ann-Sophie, Vergauwen, Ortwin, Verhelle, Katy, Lamote, Stoffel, Leys, Mathias, Boudewijns, Michaël, Samaey, Pieter

“…In this study we evaluate the efficacy and safety of a treatment protocol with standard dose of hydroxychloroquine plus azithromycin in patients hospitalized…”
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One-dimensional edge transport on the surface of cylindrical BixTe3−ySey nanowires in transverse magnetic fields by Bäßler Svenja, Hamdou Bacel, Sergelius Philip, Ann-Kathrin, Michel, Zierold, Robert, Gooth Johannes

“…The geometry of topological insulators (TIs) has a major impact on the magnetoelectric band structure of their surface states. Here, we investigate the surface…”
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Extreme ultraviolet proximity lithography for fast, flexible and parallel fabrication of infrared antennas by Kunkemöller, Georg, Mass, Tobias W W, Michel, Ann-Katrin U, Kim, Hyun-Su, Brose, Sascha, Danylyuk, Serhiy, Taubner, Thomas, Juschkin, Larissa

“…We present a method for fabrication of large arrays of nano-antennas using extreme-ultraviolet (EUV) illumination. A discharge-produced plasma source…”
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Magnetothermoelectric power in Co/Pt layered structures: Interface versus bulk contributions by Frauen, Axel, Kobs, André, Böhnert, Tim, Michel, Ann-Kathrin, Winkler, Gerrit, Nielsch, Kornelius, Oepen, Hans Peter

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Plasmonic Absorbers: A Switchable Mid-Infrared Plasmonic Perfect Absorber with Multispectral Thermal Imaging Capability (Adv. Mater. 31/2015) by Tittl, Andreas, Michel, Ann-Katrin U., Schäferling, Martin, Yin, Xinghui, Gholipour, Behrad, Cui, Long, Wuttig, Matthias, Taubner, Thomas, Neubrech, Frank, Giessen, Harald

“…On page 4597, A. Tittl and co‐workers present a switchable perfect absorber with multispectral thermal imaging capability. Aluminum nanoantenna arrays above a…”
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