Nanoscopic charge fluctuations in a gallium phosphide waveguide measured by single molecules

Abstract

We present efficient coupling of single organic molecules to a gallium phosphide subwavelength waveguide (nanoguide). By examining and correlating the temporal dynamics of various single-molecule resonances at different locations along the nanoguide, we reveal light-induced fluctuations of their Stark shifts. Our observations are consistent with the predictions of a simple model based on the optical activation of a small number of charges in the GaP nanostructure.

arXiv comment5 pages, 5 figures

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• Quantum Electrometer for Time-Resolved Material Science at the Atomic Lattice Scale
• High-resolution Cryogenic Spectroscopy of Single Molecules in Nanoprinted Crystals
• Small but large: Single organic molecules as hybrid platforms for quantum technologies
• Giant Purcell broadening and Lamb shift for DNA-assembled near-infrared quantum emitters
• Organic molecules as single-photon sources
• Investigation of the Stark Effect on a Centrosymmetric Quantum Emitter in Diamond