Topological photonics
Author(s)
Lu, Ling; Joannopoulos, John D.; Soljacic, Marin
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The application of topology, the mathematics of conserved properties under continuous deformations, is creating a range of new opportunities throughout photonics. This field was inspired by the discovery of topological insulators, in which interfacial electrons transport without dissipation, even in the presence of impurities. Similarly, the use of carefully designed wavevector-space topologies allows the creation of interfaces that support new states of light with useful and interesting properties. In particular, this suggests unidirectional waveguides that allow light to flow around large imperfections without back-reflection. This Review explains the underlying principles and highlights how topological effects can be realized in photonic crystals, coupled resonators, metamaterials and quasicrystals.
Date issued
2014-10Department
Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies; Massachusetts Institute of Technology. Department of PhysicsJournal
Nature Photonics
Publisher
Nature Publishing Group
Citation
Lu, Ling, John D. Joannopoulos, and Marin Soljacic. “Topological Photonics.” Nature Photon 8, no. 11 (October 26, 2014): 821–829.
Version: Author's final manuscript
ISSN
1749-4885
1749-4893