Journal
MATERIALS TODAY
Volume 17, Issue 10, Pages 478-485Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mattod.2014.05.009
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Funding
- German Federal Ministry of Education and Research (PhoNa)
- Thuringian State Government (MeMa)
- German Science Foundation [SPP 1391]
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Contrary to traditional optical elements, plasmonic antennas made from nanostructured metals permit the localization of electromagnetic fields on length scales much smaller than the wavelength of light. This results in huge amplitudes for the electromagnetic field close to the antenna being conducive for the observation of nonlinear effects already at moderate pump powers. Thus, these antennas exhibit a promising potential to achieve optical frequency conversion and all-optical control of light at the nano-scale. This opens unprecedented opportunities for ultrafast nonlinear spectroscopy, sensing devices, on-chip optical frequency conversion, nonlinear optical metamaterials, and novel photon sources. Here, we review some of the recent advances in exploiting the potential of plasmonic antennas to realize robust nonlinear applications.
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