Edge States and Topological Phase Transitions in Chains of Dielectric Nanoparticles
Abstract
Recently introduced field of topological photonics aims to explore the concepts of topological insulators for novel phenomena in optics. Here polymeric chains of subwavelength silicon nanodisks are studied and it is demonstrated that these chains can support two types of topological edge modes based on magnetic and electric Mie resonances, and their topological properties are fully dictated by the spatial arrangement of the nanoparticles in the chain. It is observed experimentally and described how theoretically topological phase transitions at the nanoscale define a change from trivial to nontrivial topological states when the edge mode is excited.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jan 12, 2017
- Source ID
- 10.1002/smll.201603190
Entities
People
- Alexander Poddubny
- Alexey Slobozhanyuk
- Andrey E. Miroshnichenko
- Denitza Denkova
- Dragomir N. Neshev
- Ivan Kravchenko
- Sergey S Kruk
- Yuri Kivshar
Organizations
- Air Force Office of Scientific Research
- Australian National University
- Australian Research Council
- Ioffe Institute
- Macquarie University
- Oak Ridge National Laboratory
- Russian Center for Science Information
- Russian Science Foundation
- Saint Petersburg State University of Information Technologies, Mechanics and Optics