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<p>A mid-infrared orbital angular momentum detector based on multilayer graphene has been successfully developed, overcoming the previous reliance on C<sub>2V</sub> point group topological Weyl semimetals via the orbital photogalvanic effect. This CMOS-compatible two-dimensional material system is crucial for advancing the large-scale practical application of orbital angular momentum detectors.</p>

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Topologically trivial graphene enables mid-infrared orbital angular momentum detection toward on-chip integration

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月2日

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  • Jiayue Han,
  • Jun Wang

摘要

A mid-infrared orbital angular momentum detector based on multilayer graphene has been successfully developed, overcoming the previous reliance on C2V point group topological Weyl semimetals via the orbital photogalvanic effect. This CMOS-compatible two-dimensional material system is crucial for advancing the large-scale practical application of orbital angular momentum detectors.