Measuring topological invariants in small photonic lattices
Measuring topological invariants in small photonic lattices
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2014
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New Journal of Physics ; 16 (2014), 12. - 123013. - Institute of Physics Publishing (IOP). - eISSN 1367-2630
Abstract
We present a robust practical scheme for measuring the topological invariants of non-interacting tight-binding models realized in arrays of coupled photonic cavities. More specifically, we aim to focus on the implementation of a single unit cell with tunable twisted boundary conditions in order to access the bulk topological properties of much larger systems experimentally. We illustrate our method in a two-dimensional integer quantum Hall model, demonstrating that the associated topological invariants can be measured to a high degree of accuracy despite the driven-dissipative bosonic nature of the system, and discuss the robustness of our scheme against various sources of disorder.
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BARDYN, Charles-Edouard, Sebastian D. HUBER, Oded ZILBERBERG, 2014. Measuring topological invariants in small photonic lattices. In: New Journal of Physics. Institute of Physics Publishing (IOP). 16(12), 123013. eISSN 1367-2630. Available under: doi: 10.1088/1367-2630/16/12/123013BibTex
@article{Bardyn2014-12-08Measu-55018, year={2014}, doi={10.1088/1367-2630/16/12/123013}, title={Measuring topological invariants in small photonic lattices}, number={12}, volume={16}, journal={New Journal of Physics}, author={Bardyn, Charles-Edouard and Huber, Sebastian D. and Zilberberg, Oded}, note={Article Number: 123013} }
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