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Simulation and detection of photonic Chern insulators in a one-dimensional circuit-QED lattice
Citation
Mei, F., You, J.-B., Nie, W., Fazio, R., Zhu, S.-L., & Kwek, L. C. (2015). Simulation and detection of photonic Chern insulators in a one-dimensional circuit-QED lattice. Physical Review A, 92(4), Article 041805. https://doi.org/10.1103/PhysRevA.92.041805
Abstract
We introduce a conceptually simple and experimentally feasible method to realize and detect photonic topological Chern insulators with a one- dimensional circuit quantum electrodynamics lattice. By periodically modulating the couplings in this lattice, we show that this one-dimensional model can be mapped into a two-dimensional Chern insulator model. In addition to allowing the study of photonic Chern insulators, this approach also provides a natural platform to realize experimentally Laughlin’s pumping argument. Remarkably, based on the scattering theory of topological insulators and input-output formalism, we find that both the photonic edge state and topological invariant can be unambiguously probed with a simple dissipative few-resonator circuit-QED network.
Date Issued
2015
Publisher
American Physical Society
Journal
Physical Review A