Organic surface polaritons

What is it about?

We report on the surface polariton waves made of hybrid photonic and organic exciton modes.

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Why is it important?

This is the first observation of the strong coupling between the Bloch surface waves, BSW (light counterpart) and the excitonic resonance of a thin organic layer (matter counterpart). Organic excitons allow to have the polariton at room temperature. The BSW mode allows to have a fast-propagating wave on a free standing surface which is at disposal for easy patterning. These features (temperature, velocity, accessibility) are fundamental towards realization of polaritonic devices.