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Journal Articles Applied Physics Letters Year : 2013

Fabrication and characterization of a room-temperature ZnO polariton laser

Abstract

A ZnO planar optical microcavity displaying room-temperature polariton lasing has been fabricated. The cavity combines optimum crystalline quality, as given by the ZnO bulk single-crystal substrate employed as active region, and optimum photonic quality, as obtained by the use of two dielectric SiO2/HfO2 Bragg mirrors. A maximum cavity quality factor of about 3000 has been measured, enabling the observation of room-temperature polariton lasing in a wide range of cavity-exciton detuning conditions. Typically, the polariton lasing transition is accompanied by an increase of the output intensity by more than two orders of magnitude, a reduction of the emission linewidth by a factor 5 and a relatively small blueshift of the lower polariton branch (less than 5% of the Rabi splitting).
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Dates and versions

hal-00824241 , version 1 (21-05-2013)

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Feng Li, Laurent Orosz, Olfa Kamoun, Sophie Bouchoule, Christelle Brimont, et al.. Fabrication and characterization of a room-temperature ZnO polariton laser. Applied Physics Letters, 2013, 102, pp.191118. ⟨10.1063/1.4804986⟩. ⟨hal-00824241⟩
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