A.E. Miroshnichenkob aSt. Petersburg National Research University of Information Technologies, Mechanics and Optics, ul. Sablinskaya 14, St. Petersburg, 197101, Russian Federation bNonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Mlls Road, Bldng 59, Canberra, 0200, Australia
Advances in the field of plasmonics, that is, nanophotonics based on optical properties of metal nanostructures, paved the way for the development of ultrasensitive biological sensors and other devices whose operating principles are based on localization of an electromagnetic field at the nanometer scale. However, high dissipative losses of metal nanostructures limit their performance in many modern areas, including metasurfaces, metamaterials, and optical interconnections, which required the development of new devices that combine them with high refractive index dielectric nanoparticles. Resulting metal-dielectric (hybrid) nanostructures demonstrated many superior properties from the point of view of practical application, including moderate dissipative losses, resonant optical magnetic response, strong nonlinear optical properties, which made the development in this field the vanguard of the modern light science. This review is devoted to the current state of theoretical and experimental studies of hybrid metal-dielectric nanoantennas and nanostructures based on them, capable of selective scattering light waves, amplifying and transmitting optical signals in the desired direction, controlling the propagation of such signals, and generating optical harmonics.
Keywords: nanophotonics, plasmonics, high-index dielectric nanoparticles, optical magnetic response, hybrid nanostructures, nanoantennas DOI:10.3367/UFNe.2017.12.038275 Citation: Lepeshov S, Krasnok A E, Belov P A, Miroshnichenko A E "Hybrid nanophotonics" Phys. Usp., accepted
Received: 17th, July 2017, revised: 14th, December 2017, accepted: 26th, December 2017