DNA-assembled plasmonic nanodiamonds: bright and stable single-photon emitters

Ishan Barman; Swati Tanwar

doi:10.1117/12.3008454

13 March 2024 DNA-assembled plasmonic nanodiamonds: bright and stable single-photon emitters

Ishan Barman, Swati Tanwar

Proceedings Volume PC12862, Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications XV; PC1286209 (2024) https://doi.org/10.1117/12.3008454
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Unlocking the quantum potential of nitrogen-vacancy (NV) centers in diamonds has led to innovative advancements in sensing applications. By coupling NV centers with plasmonic nanostructures, ultrasensitive biolabels are envisioned. To this end, we exploit DNA self-assembly to create hybrid plasmonic nanodiamonds, featuring a closed nanocavity encapsulating a single nanodiamond. Correlated spectroscopy reveals enhanced brightness and emission rates, crucial for quantum sensing. This synergy between plasmonics and diamond fluorescence augments photon emission intensity and accelerates emission rates, enabling improved temporal resolution. These nanodiamonds hold promise as stable single-photon sources and versatile platforms for probing quantum effects in biology. This talk highlights the development, properties, and potential applications of these nanodiamonds, bridging quantum sensing and biomedicine, and fostering transformative changes in biophotonics.

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Citation Download Citation

Ishan Barman and Swati Tanwar "DNA-assembled plasmonic nanodiamonds: bright and stable single-photon emitters", Proc. SPIE PC12862, Reporters, Markers, Dyes, Nanoparticles, and Molecular Probes for Biomedical Applications XV, PC1286209 (13 March 2024); https://doi.org/10.1117/12.3008454

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KEYWORDS

Quantum plasmonics

Quantum emitters

Nanodiamonds

Quantum enhancement

Scanning electron microscopy

Localized surface plasmon resonances

Quantum enhanced sensing

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