Abstract
Nonlinear optics in metal devices is a thriving research field with prospects of applications ranging from all-optical signal processing and quantum optics. The recent use of nanophotonics to bring nonlinear optics to the nanoscale has allowed researchers to begin migrating these technologies onto integrated optical chips. Advances in this area exploit the plasmonic field confinement and enhancement to increase the efficiency of nonlinear processes such as harmonic generation and the Kerr effect. Of particular importance are nonlinear processes in guided plasmonic systems, as these could ultimately pave the way towards realization of nanoscale integrated optical circuits. Here, we present far-field observations of harmonics generation by guided surface plasmon polaritons (SPPs) on single Au nanowires.
© 2015 IEEE
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