YANG, Bin; TREBBIA, Jean-Baptiste; BABY, Reenu; TAMARAT, Philippe; LOUNIS, Brahim

doi:10.1038/nphoton.2015.152

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YANG, Bin
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

TREBBIA, Jean-Baptiste
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

BABY, Reenu
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

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Nature Photonics. 2015

Nature Publishing Group

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Optical resolution of solid-state single quantum emitters at the nanometre scale is a challenging step towards the control of delocalized states formed by strongly and coherently interacting emitters. We have developed a simple super-resolution optical microscopy method operating at cryogenic temperatures, which is based on optical saturation of the excited state of single fluorescent molecules with a doughnut-shaped beam. Sub-10 nm resolution is achieved with extremely low excitation intensities, a million times lower than those used in room-temperature stimulated emission depletion microscopy. Compared with super-localization approaches, our technique offers a unique opportunity to super-resolve single molecules with overlapping optical resonance frequencies and paves the way to the study of coherent interactions between single emitters and to the manipulation of their degree of entanglement.< Leer menos

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Optical nanoscopy with excited state saturation at liquid helium temperatures

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