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Zero-dimensional polariton laser in a subwavelength grating-based vertical microcavity

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Author(s)

Bo Zhang, Zhaorong Wang, Sebastian Brodbeck, Christian Schneider, Martin Kamp, Sven Hoefling, Hui Deng

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Abstract

Semiconductor exciton-polaritons in planar microcavities form coherent two-dimensional condensates in non-equilibrium. However, the coupling of multiple lower-dimensional polariton quantum systems, which are critical for polaritonic quantum device applications and novel cavity-lattice physics, has been limited in conventional cavity structures. Here, we demonstrate full non-destructive confinement of polaritons using a hybrid cavity composed of a single-layer subwavelength grating mirror and a distributed Bragg reflector. Single-mode polariton lasing was observed at a chosen polarization. The incorporation of a designable slab mirror in a conventional vertical cavity, when operating in the strong-coupling regime, enables the confinement, control and coupling of polariton gasses in a scalable fashion. This approach may open the door to experimental implementations of polariton-based quantum photonic devices and coupled cavity quantum electrodynamic systems.

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Original languageEnglish
Article numbere135
Number of pages5
JournalLight: Science & Applications
Volume3
DOIs
Publication statusPublished - 3 Jan 2014

    Research areas

  • Bose-Einstein condensation, Microcavity, Photonic crystal, Polariton

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