Non‐radiative energy transfer between spatially‐separated molecules in a microcavity can occur when an excitonic state on both molecules are strongly‐coupled to the same optical mode, forming so‐called ‘hybrid’ polaritons. Such energy transfer has previously been explored when thin‐films of different molecules are relatively closely spaced (~100 nm). In this letter, we explore strong‐coupled microcavities in which thin‐films of two J‐aggregated molecular dyes were separated by a spacer layer having a thickness of up to 2 μm. Here, strong light‐matter coupling and hybridisation between the excitonic transition is identified using white‐light reflectivity and photoluminescence emission. We use steady‐state spectroscopy to demonstrate polariton‐mediated energy transfer between such coupled states over ‘mesoscopic distances’, with this process being enhanced compared to non‐cavity control structures.
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I read that polaritons are a result of light coupling with matter and share the properties of both. What are the properties they have as a result? How would polariton-matter interactions differ from photon-matter interactions?
Recently found out about Rydberg Polaritons, but having a hard time finding details regarding their qualities or even applications. Anyone know anything in relation to this or have found articles detailing the qualities?
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