Edge-emitting polariton laser and amplifier based on a ZnO waveguide

Abstract

We demonstrate edge-emitting exciton-polariton (polariton) lasing from 5 to 300 K and amplification of non-radiative guided polariton modes within ZnO waveguides. The mode dispersion below and above the lasing threshold is directly measured using gratings present on top of the sample, fully demonstrating the polaritonic nature of the lasing modes. The threshold is found to be similar to that of radiative polarions in planar ZnO microcavities. These results open broad perspectives for guided polaritonics by allowing an easier and more straightforward implementation of polariton integrated circuits exploiting fast propagating polaritons.

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Cited by in corpus (16)

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• Electrically controlled waveguide polariton laser
• Fabrication of Nanostructured GaAs/AlGaAs Waveguide for Low-Density Polariton Condensation from a Bound State in the Continuum
• Strong coupling of exciton-polaritons in a bulk GaN planar waveguide: quantifiying the coupling strength
• Influence of spatial dispersion on surface plasmons, nanoparticles and grating couplers
• Spin noise signatures of the self-induced Larmor precession
• Ridge polariton laser: different from a semiconductor edge-emitting laser
• Competition between horizontal and vertical polariton lasing in planar microcavities
• Mode-locked GaN waveguide polariton laser
• Integrated, ultrafast all-optical polariton transistors with sub-wavelength grating microcavities
• Lasing in a ZnO waveguide: clear evidence of polaritonic gain obtained by monitoring the continuous exciton screening
• Design of a room-temperature topological exciton-polariton laser in a ZnO/TiO${}_2$-photonic crystal slab
• Exciton-polaritons in GaAsbased slab waveguide photonic crystals
• Time-resolved dynamics of GaN waveguide polaritons