We investigate the resonance characteristics of terahertz nanoantenna arrays, both numerically and experimentally. We demonstrate their tunability and their significant field enhancement properties, which can find several applications in terahertz spectroscopy and nonlinear optics.
Razzari, L., Toma, A., Clerici, M., Shalaby, M., Tuccio, S., Panaro, S., … Di Fabrizio, E. (2013). Terahertz Resonant Dipole Nanoantennas (p. LT4B.1). The Optical Society. https://doi.org/10.1364/laop.2012.lt4b.1