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Showing 1–11 of 11 results
Advanced filters: Author: Isabelle Staude Clear advanced filters

  • A rewritable platform for subwavelength optical components is demonstrated by combining surface phonon–polaritons, sustained in a polar dielectric layer, with the switching functionality provided by a phase-change material.

    • Isabelle Staude
    • Carsten Rockstuhl
    News & Views
    Nature Materials
    Volume: 15, P: 821-822

  • Enhancing the data encoding into the orbital angular momentum of light beams could enable faster and more efficient optical communications. This work demonstrates complex control of the second harmonic wavefront with dynamics solely limited by the pulse duration.

    • Artem Sinelnik
    • Shiu Hei Lam
    • Isabelle Staude
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • The authors investigate spin-valley polarization in hybrid systems of Au nanoparticles and monolayer MoS2 and observe a nearly complete quenching of the far-field circular polarization state of emission from MoS2 at the position of the nanoparticle. This highlights the need to consider an ensemble, rather than just a single rotating dipole emitter, for precise predictions of polarization responses in these hybrid systems.

    • Tobias Bucher
    • Zlata Fedorova
    • Isabelle Staude
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Spontaneous parametric down-conversion in thin films should allow to realise extremely compact entangled photon sources. Here, the authors generate entangled photon pairs from a 3R-MoS2 flake, characterize them via quantum state tomography, and show how to tune between different Bell state outputs by changing the pump polarization.

    • Maximilian A. Weissflog
    • Anna Fedotova
    • Falk Eilenberger
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Metamaterials enable a number of intriguing photonic functionalities from superlensing to cloaking. The demonstration of truly three-dimensional metamaterials by a direct laser writing process offers the possibility of complex photonic functionalities at optical frequencies.

    • Michael S. Rill
    • Christine Plet
    • Martin Wegener
    Research
    Nature Materials
    Volume: 7, P: 543-546

  • Understanding the distribution of energy between electric and magnetic channels of a metamaterial remains elusive. Decker et al.study the emission of quantum dots into these channels for a split-ring-resonator metamaterial and differentiate the fundamental behaviour of the two modes.

    • Manuel Decker
    • Isabelle Staude
    • Yuri S. Kivshar
    Research
    Nature Communications
    Volume: 4, P: 1-10

  • Frequency mixers are hard to achieve at optical frequencies because it is difficult to meet different phase-matching conditions. Here, the authors show that GaAs metasurfaces can mix laser beams to generate eleven new wavelengths through different nonlinear optical processes occurring simultaneously.

    • Sheng Liu
    • Polina P. Vabishchevich
    • Igal Brener
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6

  • Metasurfaces are not adjustable after fabrication, and a critical challenge is to realise a technique of tuning their optical properties that is both fast and efficient. Here, Shcherbakov et al. realise an ultrafast tunable metasurface with picosecond-scale large absolute reflectance modulation at low pump fluences.

    • Maxim R. Shcherbakov
    • Sheng Liu
    • Andrey A. Fedyanin
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • Applying metamaterial concepts to dielectric systems offers low losses compared with metallic structures. Here, silicon-based metamaterial and nanophotonic advances are reviewed.

    • Isabelle Staude
    • Jörg Schilling
    Reviews
    Nature Photonics
    Volume: 11, P: 274-284