期刊
OPTICS LETTERS
卷 36, 期 12, 页码 2348-2350出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.36.002348
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资金
- Department of Energy [DE-SC0003905]
- National Science Foundation (NSF) [CHE-0533162]
- U.S. Department of Energy (DOE) [DE-SC0003905] Funding Source: U.S. Department of Energy (DOE)
- Direct For Mathematical & Physical Scien [0802913] Funding Source: National Science Foundation
- Division Of Chemistry [0802913] Funding Source: National Science Foundation
We demonstrate that four-wave mixing (FWM) signals from individual Si nanoparticles can be generated by the surface fields of traveling surface plasmon polariton modes. We have chosen a counterpropagating excitation scheme in which the nanoparticle is exposed only to surface excitation fields and not to direct laser illumination. We show that background-free, surface-mediated FWM of nanoparticles can be acquired, and that the resulting nonlinear radiation is coherent. (C) 2011 Optical Society of America
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