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Showing 1–9 of 9 results
Advanced filters: Author: Shuzhang Chen Clear advanced filters

  • Artificial gauge fields unlock additional degrees of freedom to manipulating light in structured photonic systems. This Review strives to unify topological, non-Abelian and non-Hermitian photonics using the concept of gauge fields.

    • Wange Song
    • Yi Yang
    • Shuang Zhang
    Reviews
    Nature Reviews Physics
    P: 1-15

  • Voltage imaging is a powerful technique for studying electrical signalling in neurons. A palette of bright and sensitive voltage indicators has now been developed via enzyme-mediated ligation and Diels–Alder cycloaddition. Among these, a far-red indicator faithfully reports neuronal action potential dynamics with an excitation spectrum orthogonal to optogenetic actuators and green/red-emitting biosensors.

    • Shuzhang Liu
    • Chang Lin
    • Peng Zou
    Research
    Nature Chemistry
    Volume: 13, P: 472-479

  • Previous work proposed the Berry curvature dipole as the mechanism of the nonlinear Hall effect. Lee et al. establish the sign-changing Berry curvature hot spots from spin-orbit split bands as the origin of the Berry curvature dipole and link it to the nonlinear Hall effect in the topological semimetal NbIrTe4.

    • Ji-Eun Lee
    • Aifeng Wang
    • Hyejin Ryu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • The control of magnetism by electric field is an important goal for future development of low-power spintronics. Here, the authors demonstrate voltage control of magnetism in van der Waals ferromagnetic/ferroelectric heterostructure devices via the strain-mediated magnetoelectric effect.

    • Jaeun Eom
    • In Hak Lee
    • Jun Woo Choi
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10

  • Current approaches to distinguish topological phases from topologically-trivial phases have limited general applicability. Here, in a photonic-crystal context, the authors demonstrate that in trivial structures the bulk local density of states (LDOS) extends all the way to the edges and corners, while in topological structures the bulk LDOS actually avoids the edges and corners.

    • Biye Xie
    • Renwen Huang
    • Shuang Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • A single metasurface is used to generate multiple 3D knots with predesigned polarization profiles. At a given region, only a single 3D polarization knot can be obtained for a single color. Different 3D polarization knots can be obtained by changing the incident colors (left). The generated polarization structures are unveiled after passing through a linear polarizer (right).

    • Yuttana Intaravanne
    • Ruoxing Wang
    • Xianzhong Chen
    ResearchOpen Access
    Light: Science & Applications
    Volume: 11, P: 1-10