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Showing 1–5 of 5 results
Advanced filters: Author: Subhaskar Mandal Clear advanced filters

  • The study shows a micron-scale polariton structure where an artificial gauge field creates topological, non-reciprocal edge transport without strong magnetic fields, overcoming key limits for topological polariton lasers and devices.

    • Simon Widmann
    • Jonas Bellmann
    • Sebastian Klembt
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-10

  • Negative coupling is an intriguing mechanism for linking lattice sites, enabling phenomena unattainable with positive coupling alone. Here, the authors introduce this unique coupling into the polariton system and demonstrate topological polariton condensation in lattices with negative coupling.

    • Zixuan Yu
    • Feng Jin
    • Rui Su
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-8

  • Topological lasers with enhanced robustness have revolutionized the paradigm of laser design, yet their implementation in disclination geometries remains largely unexplored. Here, the authors demonstrate a mid-gap topological exciton-polariton laser in a C4v disclination perovskite lattice at room temperature.

    • Feng Jin
    • Subhaskar Mandal
    • Rui Su
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • Achieving propagating topological exciton polaritons at room temperature is challenging. Here, the authors demonstrate room-temperature valley-polarized topological polaritons with valley-dependent propagation in a perovskite lattice formed by two mutually inverted honeycomb lattices with a bearded interface.

    • Feng Jin
    • Subhaskar Mandal
    • Rui Su
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Here the authors report the first experimental observation of topological antichiral surface states by constructing a three-dimensional modified Haldane model in a magnetic Weyl photonic crystal.

    • Xiang Xi
    • Bei Yan
    • Zhen Gao
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8