High purcell factor due to coupling of a single emitter to a dielectric slot waveguide.
basic_science · Level V
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- Record sourced from PubMed, PMID 25432015.
- Also identified by DOI 10.1021/nl5037808.
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Abstract
We demonstrate an all-dielectric quantum electrodynamical nanowire-slab system with a single emitter that concentrates the extremely intense light at the scale of 10 × 75 nm(2). The quantum dot exhibits a record high 31-fold spontaneous decay rate enhancement, its optical saturation and blinking are strongly suppressed, and 80% of emission couples into a waveguide mode.