Journal
NANO LETTERS
Volume 13, Issue 12, Pages 5832-5836Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl402552m
Keywords
Superresolution; optical microscopy; photon antibunching; quantum imaging; quantum dots
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Funding
- European Research Council Starting Investigator Grant [SINSLIM 258221]
- Adams Fellowship Program of the Israel Academy of Sciences and Humanities
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The optical diffraction limit imposes a bound on imaging resolution in classical optics. Over the last twenty years, many theoretical schemes have been presented for overcoming the diffraction barrier in optical imaging using quantum properties of light. Here, we demonstrate a quantum superresolution imaging method taking advantage of non-classical light naturally produced in fluorescence microscopy due to photon antibunching, a fundamentally quantum phenomenon inhibiting simultaneous emission of multiple photons. Using a photon counting digital camera, we detect antibunching-induced second and third order intensity correlations and perform subdiffraction limited quantum imaging in a standard wide-field fluorescence microscope.
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