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This is a Experimental Study study.

September 18, 2025

Experimental observation of non-Hermitian point-gap using photonic crystals with radiation loss

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The experiment demonstrated a non-Hermitian point gap originating from radiation loss in photonic crystals.
Key evidence shows the induced point gap is closely related to non-Hermitian skin effects.
Observation involved experimental techniques applied to photonic crystal slabs under controlled conditions.
The findings highlight potential applications in photonic devices and warrant further exploration of topological properties.

Implication

Experimental observation reveals a non-Hermitian point gap in photonic crystals, suggesting new topological phenomena.

Abstract

We experimentally observed a non-Hermitian point gap using photonic crystal slabs. The point gap is induced by a radiation loss of the slabs, and we discuss its topological relationship to non-Hermitian skin effects.

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Cite This Study

Ogawa et al. (2025) studied this question.

synapsesocial.com/papers/68d463f131b076d99fa63808 https://doi.org/10.1364/cleo_fs.2025.ff125_4

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Implication

Experimental observation reveals a non-Hermitian point gap in photonic crystals, suggesting new topological phenomena.

Experimental observation of non-Hermitian point-gap using photonic crystals with radiation loss

Key Points

Implication

Abstract

Discussion

Cite This Study

Experimental observation of non-Hermitian point-gap using photonic crystals with radiation loss

Key Points

Implication

Abstract

Discussion

Cite This Study

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