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Near-Field Second-Harmonic Generation Induced by Local Field Enhancement
Open accessAbstract
The field near a sharp metal tip can be strongly enhanced if irradiated with an optical field polarized along the tip axis. We demonstrate that the enhanced field gives rise to local second-harmonic (SH) generation at the tip surface thereby creating a highly confined photon source. A theoretical model for the excitation and emission of SH radiation at the tip is developed and it is found that this source can be represented by a single on-axis oscillating dipole. The model is experimentally verified by imaging the spatial field distribution of strongly focused laser modes.
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Citations
Cited by
Novotny, L., & van Hulst, N. (2011) · Nature Photonics · doi:10.1038/nphoton.2010.237 · Cited by 2,649
Self-citationBharadwaj, P., Deutsch, B., & Novotny, L. (2009) · Advances in Optics and Photonics · doi:10.1364/aop.1.000438 · Cited by 1,203
Self-citationNanoplasmonics: Past, present, and glimpse into future
Stockman, M. I. (2011) · Optics Express · doi:10.1364/oe.19.022029 · Cited by 1,109
Light scattering and surface plasmons on small spherical particles
Fan, X., Zheng, W., & Singh, D. J. (2014) · Light: Science & Applications · doi:10.1038/lsa.2014.60 · Cited by 623
Nonlinear metasurfaces: a paradigm shift in nonlinear optics
Krasnok, A., Tymchenko, M., & Alù, A. (2018) · Materials Today · doi:10.1016/j.mattod.2017.06.007 · Cited by 613
Metadata
- Authors
- Bouhelier, A., Beversluis, M., Hartschuh, A., & Novotny, L.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2003-01-10
- Volume
- 90
- Issue
- 1
- Pages
- 013903-013903
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2037111216
- Cited by
- 624
- References
- 0
- FWCI
- 20.50
- Type
- journal article
- Language
- en
- Open access
- green
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