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Caspar Clark

Publications -  14
Citations -  832

Caspar Clark is an academic researcher. The author has contributed to research in topics: Polariton & Exciton. The author has an hindex of 7, co-authored 12 publications receiving 638 citations.

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Polariton-mediated energy transfer between organic dyes in a strongly coupled optical microcavity.

TL;DR: This work uses strong coupling in an optical microcavity to mix the electronic transitions of two J-aggregated molecular dyes and uses both non-resonant photoluminescence emission and photolumsinescence excitation spectroscopy to show that hybrid-polariton states act as an efficient and ultrafast energy-transfer pathway between the two exciton states.
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Vibrationally Assisted Polariton-Relaxation Processes in Strongly Coupled Organic-Semiconductor Microcavities

TL;DR: In this paper, it was shown that a spectrum of localized vibrational modes (identified by Raman scattering) enhances the population of certain polaritonic modes by acting as an energy-loss channel to the excitons as they undergo scattering.
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Efficient Radiative Pumping of Polaritons in a Strongly Coupled Microcavity by a Fluorescent Molecular Dye

TL;DR: In this article, the optical properties of a series of strongly coupled microcavities containing the fluorescent molecular dye BODIPY-Br (bromine-substituted boron-dipyrromethene) dispersed into a transparent dielectric matrix are explored, with each cavity having a different exciton-photon detuning.