Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-10-18
Optics Express 19(6), 4991-5001 (2011)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
11 pages, 5 figures, accepted to Optics Express
Scientific paper
We develop a concept of surface plasmon polaritons (SPPs) based four-wave mixing (4WM), in which a laser-launched evanescent SPP field is utilized as a coherent pumping source to involve directly in a nonlinear 4WM process at the dielectric/metal interface. Conversion efficiency of the resulting 4WM radiation is expected to be dramatically increased due to the local-field enhancement effect. Feasibility of implementing this concept at the air/gold film and graphene flake/gold film interfaces is further examined by numerical simulations. The concept shows intriguing promise for applications in newly emerging nanophotonics, optoelectronics, and active plasmonics.
Lin Ke
Luo Yi
Zhang Qun
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