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SERS

Near-unity Raman beta factor underpins high sensitivity

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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Fig. 1: Plasmonic slot waveguide for high sensitivity SERS measurements.

References

  1. Long, D. A. & Long, D. The Raman effect: a unified treatment of the theory of Raman scattering by molecules 8 (Wiley Chichester, 2002).

  2. Martin, R. M. & Falicov, L. M. in Topics in Applied Physics Vol. 8 (ed. Cardona, M.) (Springer, 1983).

  3. Le Ru, E. & Etchegoin, P. Principles of Surface-Enhanced Raman Spectroscopy: and related plasmonic effects (Elsevier, 2008).

  4. Fu, M. et al. Nat. Nanotechnol. https://doi.org/10.1038/s41565-022-01232-y (2022).

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Correspondence to Jacob B. Khurgin.

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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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