Journal
REVIEWS OF MODERN PHYSICS
Volume 91, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/RevModPhys.91.015006
Keywords
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Categories
Funding
- U-FET Proactive grant AQuS [640800]
- ERC Starting Grant TopoCold
- Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS) at RIKEN
- Royal Society
- European Unions Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [656093]
- ERC grant Honeypol
- EU-FET Proactive grant AQUS [640800]
- French National Research Agency (ANR) project Quantum Fluids of Light [ANR-16-CE30-0021]
- program Labex CEMPI [ANR-11-LABX-0007]
- CPER Photonics for Society P4S
- Metropole Europeenne de Lille
- FRS-FNRS (Belgium)
- AFOSR MURI [FA95501610323]
- Sloan Foundation
- Physics Frontier Center at the Joint Quantum Institute
- National Key RAMP
- D Program of China [2017YFA0303800, 2016YFA0302400]
- NSFC [11721404]
- National Science Foundation [ECCS-1509546, DMS-1620422]
- David and Lucile Packard Foundation
- Charles E. Kaufman Foundation
- Pittsburgh Foundation
- Office of Naval Research under the YIP program [N00014-18-1-2595]
- Alfred P. Sloan Foundation [FG-2016-6418]
- University of Chicago Materials Research Science and Engineering Center - National Science Foundation [DMR-1420709]
- ARO [W911NF-15-1-0397]
- DOE [DE-SC0010267]
- AFOSR [FA9550-16-1-0323]
- Swiss National Science Foundation (SNSF)
- Provincia Autonoma di Trento, partly through the SiQuro project (On Silicon Chip Quantum Optics for Quantum Computing and Secure Communications)
- ERC through the QGBE grant
- EU-FET-Open grant MIR-BOSE Project [737017]
- U.S. Department of Energy (DOE) [DE-SC0010267] Funding Source: U.S. Department of Energy (DOE)
- U.S. Department of Defense (DOD) [FA95501610323] Funding Source: U.S. Department of Defense (DOD)
- Marie Curie Actions (MSCA) [656093] Funding Source: Marie Curie Actions (MSCA)
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Topological photonics is a rapidly emerging field of research in which geometrical and topological ideas are exploited to design and control the behavior of light. Drawing inspiration from the discovery of the quantum Hall effects and topological insulators in condensed matter, recent advances have shown how to engineer analogous effects also for photons, leading to remarkable phenomena such as the robust unidirectional propagation of light, which hold great promise for applications. Thanks to the flexibility and diversity of photonics systems, this field is also opening up new opportunities to realize exotic topological models and to probe and exploit topological effects in new ways. This article reviews experimental and theoretical developments in topological photonics across a wide range of experimental platforms, including photonic crystals, waveguides, metamaterials, cavities, optomechanics, silicon photonics, and circuit QED. A discussion of how changing the dimensionality and symmetries of photonics systems has allowed for the realization of different topological phases is offered, and progress in understanding the interplay of topology with non-Hermitian effects, such as dissipation, is reviewed. As an exciting perspective, topological photonics can be combined with optical nonlinearities, leading toward new collective phenomena and novel strongly correlated states of light, such as an analog of the fractional quantum Hall effect.
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