Novel non-plasmonic nanolasers empowered by topology and interference effects
Author:
Hwang Min-Soo1, Kim Ha-Reem1, Jeong Kwang-Yong1, Park Hong-Gyu1, Kivshar Yuri2ORCID
Affiliation:
1. Department of Physics , Korea University , Seoul 02841 , Republic of Korea 2. Nonlinear Physics Centre, Research School of Physics, Australian National University , Canberra , ACT 2601 , Australia
Abstract
Abstract
Historically, nanophotonics deals with a control of light at the nanoscale being closely connected with the rapid advances in plasmonics – the physics of surface plasmon polaritons supported by metal–dielectric interfaces. Properly engineered nanostructures allow the subwavelength propagation of light and its strong confinement in nanowaveguides and nanocavities, making possible the field enhancement and lasing. Spaser was suggested as a special type of nanolaser with a very small footprint that can be modulated quickly thus becoming a good candidate for on-chip optical data processing. However, recent developments in the physics of high-index dielectric nanoparticles and resonant dielectric metasurfaces allowed to advance the field of nanophotonics and introduce novel nonplasmonic nanostructures and nanolasers empowered by topology and interference effects. Here we present first some examples of experimentally realized spasers, and then discuss the recent developments in the cutting-edge high-index dielectric nanostructures employed for nonplasmonic nanolasers based on Mie resonances, anapole states, bound states in the continuum, and the physics of topological phases.
Publisher
Walter de Gruyter GmbH
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology
Reference65 articles.
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