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Topologically nontrivial electromagnetic states. Topological properties play a fundamental role in many physical phenomena. The best known examples are quantum Hall systems, where insensitivity to local properties manifests itself as conductance through edge states that is insensitive to disorder. While the traditional research focus has been on electronic systems, there has been a recent emergence of great interest in exploring topological orders with photons. Several novel intriguing theoretic ....Topologically nontrivial electromagnetic states. Topological properties play a fundamental role in many physical phenomena. The best known examples are quantum Hall systems, where insensitivity to local properties manifests itself as conductance through edge states that is insensitive to disorder. While the traditional research focus has been on electronic systems, there has been a recent emergence of great interest in exploring topological orders with photons. Several novel intriguing theoretical schemes have been proposed to explore topological orders in photonic systems, both in the linear and strongly interacting regimes. This project aims to develop innovative theoretical and experimental approaches to explore topologically non-trivial states, from microwaves to optical regimes.Read moreRead less
Nonlinear and tunable topological states of light and sound. This project aims to provide deep theoretical insights into the physics of electromagnetic and mechanical topological states by bridging fundamental concepts of optics, optomechanics and nonlinear physics. The rapidly expanding digital world calls for a new generation of photonic devices to transmit and process information without losses. Recently discovered topological phases open unique opportunities to realise topological states of ....Nonlinear and tunable topological states of light and sound. This project aims to provide deep theoretical insights into the physics of electromagnetic and mechanical topological states by bridging fundamental concepts of optics, optomechanics and nonlinear physics. The rapidly expanding digital world calls for a new generation of photonic devices to transmit and process information without losses. Recently discovered topological phases open unique opportunities to realise topological states of light that are inherently immune to scattering losses. This multidisciplinary project aims to bridge fundamental topological physics with nonlinear nanophotonics and optomechanics by developing novel concepts of topological systems, dynamically tunable by nonlinearity. An expected outcome of this project is new approaches to control both light and sound dynamically in complex nanoscale structures, and uncover disorder-immune technologies for applications in on-chip communications and information processing.Read moreRead less