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Showing 1–12 of 12 results
Advanced filters: Author: Abdullah Rasmita Clear advanced filters

  • The interaction between correlated states and the excitonic emission coherence in van der Waals moiré systems remains largely unexplored. Here, the authors report evidence of enhanced interlayer exciton emission coherence in twisted WSe2/MoS2 heterobilayers, attributed to exciton-exciton and exciton-electron interactions.

    • Qinghai Tan
    • Abdullah Rasmita
    • Wei-bo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-7

  • The nature of localized interlayer excitons (LIXs) in moiré superlattices is still elusive Here, the authors propose a donor-acceptor pair mechanism for LIXs in MoSe2/WSe2 heterobilayers.

    • Hongbing Cai
    • Abdullah Rasmita
    • Weibo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • Room-temperature solid-state single photon emitters in the telecom range are suitable for quantum communication. Here, the authors observe defects in high-purity 3C-SiC epitaxy layers grown on a silicon substrate, with good characteristics in terms of brightness, emission’s polarization and photostability.

    • Junfeng Wang
    • Yu Zhou
    • Weibo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-6

  • Silicon vacancy centres in diamond have been identified as potential highly efficient solid-state qubits for on-chip integration. Here, Zhouet al. demonstrate coherent control of silicon vacancy centres in nanodiamonds and observe Autler-Townes splitting, Mollow triplet and Rabi oscillations.

    • Yu Zhou
    • Abdullah Rasmita
    • Wei-bo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Owing to their valley degree of freedom, atomically thin transition metal dichalcogenides show promise for valleytronics. Here, the authors leverage the dark excitons of two-dimensional van der Waals heterostructures to demonstrate a microsecond valley polarization memory effect.

    • Chongyun Jiang
    • Weigao Xu
    • Wei-bo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • Monolayer transition metal dichalcogenides host a valley splitting in magnetic field analogous to the Zeeman effect. Here, the authors report that the Zeeman splitting still persists in bilayers of MoTe2 without lifting the valley degeneracy, due to spin–valley-layer coupling.

    • Chongyun Jiang
    • Fucai Liu
    • Wei-Bo Gao
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • The authors demonstrate electrical on/off switching of interlayer interactions in tungsten diselenide/molybdenum disulfide heterobilayers, the phase diagram of which contains layer-dependent correlated regions that reveal the role of strong correlations in interlayer exciton dynamics.

    • Qinghai Tan
    • Abdullah Rasmita
    • Weibo Gao
    Research
    Nature Materials
    Volume: 22, P: 605-611

  • Polarization-entangled photon pairs are generated from two perpendicularly aligned two-dimensional crystals of NbOCl2. The polarization-entangled state is measured with a fidelity up to 86%. The measured count rate normalized to pump power and interaction length is 472 Hz mW−1 mm−1.

    • Leevi Kallioniemi
    • Xiaodan Lyu
    • Weibo Gao
    Research
    Nature Photonics
    Volume: 19, P: 142-148

  • Spin-polarized photon absorption and photoluminescence are reported in reduced-dimensional chiral perovskite materials. The finding indicates that such materials may in the future be useful as a photonic interface for spintronics.

    • Guankui Long
    • Chongyun Jiang
    • Edward H. Sargent
    Research
    Nature Photonics
    Volume: 12, P: 528-533

  • Chiral hybrid organic–inorganic perovskites combine the remarkable optical, electrical and spintronic properties of perovskites with chirality. This Review systematically introduces the latest advances in chiral perovskites, surveys their structure–property relationships and details their chiroptical and ferroelectric applications.

    • Guankui Long
    • Randy Sabatini
    • Weibo Gao
    Reviews
    Nature Reviews Materials
    Volume: 5, P: 423-439