ArticleScientific reports2023
Bullseye dielectric cavities for photon collection from a surface-mounted quantum-light-emitter.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The origin and influence of non-cavity modes in a micropillar Bragg microcavity.Scientific reports · 2025Article
- Enhanced zero-phonon line emission from an ensemble of W centers in circular and bowtie Bragg grating cavities.Nanophotonics (Berlin, Germany) · 2025Article
- SbRSC advances · 2024Article
- Fluorescence Enhancement of Single V2 Centers in a 4H-SiC Cavity Antenna.Nano letters · 2024Article
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Authors and funding
6 authors.
Funding
Abstract
Coupling light from a point source to a propagating mode is an important problem in nano-photonics and is essential for many applications in quantum optics. Circular "bullseye" cavities, consisting of concentric rings of alternating refractive index, are a promising technology that can achieve near-unity coupling into a first lens. Here we design a bullseye structure suitable for enhancing the emission from dye molecules, 2D materials and nano-diamonds positioned on the surface of these cavities. A periodic design of cavity, meeting the Bragg scattering condition, achieves a Purcell factor of 22.5 and collection efficiency of 80%. We also tackle the more challenging task of designing a cavity for coupling to a low numerical aperture fibre in the near field. Finally, using an iterative procedure, we study how the collection efficiency varies with apodised (non-periodic) rings.
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Registered trials
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