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Aluminum for Nonlinear Plasmonics: Resonance-Driven Polarized Luminescence of Al, Ag, and Au Nanoantennas
Abstract
Resonant optical antennas are ideal for nanoscale nonlinear optical interactions due to their inherent strong local field enhancement. Indeed second- and third-order nonlinear response of gold nanoparticles has been reported. Here we compare the on- and off-resonance properties of aluminum, silver, and gold nanoantennas, by measuring two-photon photoluminescence. Remarkably, aluminum shows 2 orders of magnitude higher luminescence efficiency than silver or gold. Moreover, in striking contrast to gold, the aluminum emission largely preserves the linear incident polarization. Finally, we show the systematic resonance control of two-photon excitation and luminescence polarization by tuning the antenna width and length independently. Our findings point to aluminum as a promising metal for nonlinear plasmonics.
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Cited by
Knight, M. W., King, N. S., Liu, L., Everitt, H. O., Nordlander, P., & Halas, N. J. (2014) · ACS Nano · doi:10.1021/nn405495q · Cited by 1,261
Plasmonic Films Can Easily Be Better: Rules and Recipes
McPeak, K. M., Jayanti, S. V., Kress, S. J. P., Meyer, S., Iotti, S., Rossinelli, A., & Norris, D. J. (2015) · ACS Photonics · doi:10.1021/ph5004237 · Cited by 1,047
Plasmonic films can easily be better: Rules and recipes
McPeak, K. M., Jayanti, S. V., Kress, S. J. P., Meyer, S., Iotti, S., Rossinelli, A. A., & Norris, D. J. (2015) · doi:10.3929/ethz-b-000100036 · Cited by 616
Metadata
- Authors
- Castro-Lopez, M., Brinks, D., Sapienza, R., & van Hulst, N. F.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-10-10
- Volume
- 11
- Issue
- 11
- Pages
- 4674-4678
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2325941364
- Cited by
- 173
- References
- 0
- FWCI
- 8.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- Castro-Lopez, M., Brinks, D., Sapienza, R., & van Hulst, N. F. (2011). Aluminum for Nonlinear Plasmonics: Resonance-Driven Polarized Luminescence of Al, Ag, and Au Nanoantennas. Nano Letters. https://doi.org/10.1021/nl202255g
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