From Excitonic To Photonic Polariton Condensate In A Zno-Based Microcavity
PHYSICAL REVIEW LETTERS(2013)
Abstract
We report exciton-polariton condensation in a new family of fully hybrid ZnO-based microcavity demonstrating the best-quality ZnO material available (a bulk substrate), a large quality factor (similar to 4000) and large Rabi splittings (similar to 240 meV). Condensation is achieved between 4 and 300 K and for excitonic fractions ranging between 17% and 96%, which corresponds to a tuning of the exciton-polariton mass, lifetime, and interaction constant by 1 order of magnitude. We demonstrate mode switching between polariton branches allowing, just by controlling the pumping power, to tune the photonic fraction by a factor of 4.
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Key words
photonic polariton condensate,microcavity,excitonic,zno-based
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