2024
DOI: 10.1002/lpor.202400099
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Non‐Hermitian Skin Effect in Non‐Hermitian Optical Systems

Yingqiu Zhang,
Zhongchao Wei

Abstract: The development of non‐Hermitian (NH) physics in nonconservative systems has led to various interesting wave phenomena, including the emergence of the non‐Hermitian skin effect (NHSE). NHSE is a topological effect caused by the nontrivial winding number of the energy spectrum, which results in many bulk eigenmodes localized on low‐dimensional boundaries under open boundary conditions. Although this phenomenon is striking, the flexible and dynamic tuning of NHSE has not been reviewed in optics systems. As an id… Show more

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