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This research examines energy transfer between donor and acceptor pairs of J-aggregated dyes in a microcavity.

Polariton‐Mediated Energy Transfer in a Tunable Optical Multimode Microcavity Exceeding 10 μm

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Energy transfer is revealed in a tunable optical microcavity, suggesting new applications in photonics.

This research examines energy transfer between donor and acceptor pairs of J-aggregated dyes in a microcavity.
Studied energy transfer in a tunable Fabry–Pérot microresonator with J-aggregated dyes.
Analyzed fluorescence spectra to assess energy transfer efficiency.
Applied a phenomenological Hamiltonian to model polariton modes and rate equations.
Energy transfer occurs efficiently between donor and acceptor separated by up to 11 μm.
The transfer efficiency is independent of the distance between donor and acceptor.
Fluorescence spectra confirm the presence of hybrid light–matter states.

Kertzscher et al. (2026) studied this question.

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