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ARTICLE SUMMARY / 2025

Dark Lines and Polarization Singularities in Bright Metasurface-Enhanced Fluorescence

D. Pal & A. F. Koenderink

Laser & Photonics Reviews · 19, e02199

Summary

Why can fluorescence from independent emitters contain sharp dark lines and polarization singularities?

Combines Stokes-resolved Fourier microscopy with reciprocity-based T-matrix calculations.

Attributes the features to interference between outcoupled TE and TM waveguide modes.

Commentary

Reciprocity assumptions must be revisited for nonreciprocal magneto-optic systems.

A useful reminder that incoherent sources do not remove every interference process in the emitted field.

Interpretation and connections in this note, separate from the authors’ reported findings.

Related modelling approaches

Relation labels come from the method guide and are editorial. Unlabelled links are conceptual connections or comparison methods; the paper does not necessarily implement them.

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