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Lu Ding

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Articles

  • On-chip broadband power splitters via non-Hermitian subspaces

    3 weeks ago | opg.optica.org | Xiaohong Li |Yang Liu |Lu Ding |Shaolin Ke

    We propose and demonstrate a broadband 3-dB power splitter based on a non-Hermitian triplet waveguide fabricated on a silicon-on-insulator (SOI) platform. By exploiting mirror symmetry, we show that the triplet can be decoupled into two virtual subspaces: a Hermitian subspace featuring a lossless zero mode and a non-Hermitian subspace supporting lossy modes.

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