Efficiency of Raman measurements is increased by nearly four orders of magnitude with the help of sub-wavelength plasmonic gap waveguides.
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References
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Fu, M. et al. Nat. Nanotechnol. https://doi.org/10.1038/s41565-022-01232-y (2022).
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Khurgin, J.B. Near-unity Raman beta factor underpins high sensitivity. Nat. Nanotechnol. 17, 1240 (2022). https://doi.org/10.1038/s41565-022-01233-x
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DOI: https://doi.org/10.1038/s41565-022-01233-x