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Title: Simulation and detection of photonic Chern insulators in a one-dimensional circuit-QED lattice
Authors: Mei, Feng
You, Jia-Bin
Nie, Wei
Fazio, Rosario
Zhu, Shi-Liang
Kwek, Leong Chuan
Issue Date: 2015
Source: 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), 041805-.
Series/Report no.: Physical Review A
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.
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.92.041805
Research Centres: Institute of Advanced Studies 
Rights: © 2015 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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