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Topological Quantum Computing Open Quantum Systems Decoherence

Topological Floquet interface states in optical fibre loops

arXiv

Authors: Arstan Bisianov, Andre Muniz, Ulf Peschel, Oleg Egorov

Year

2020

Paper ID

19958

Status

Preprint

Abstract Read

~2 min

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Abstract

We experimentally observe a coexisting pair of topological anomalous Floquet interface states in a (1+1)-dimensional Discrete Photon Walk. We explicitly verify the robustness of these states against local static perturbations respecting chiral symmetry of the system, as well as their vulnerability against non-stationary perturbations. The walk is implemented based on pulses propagating in a pair of coupled fibre loops of dissimilar lengths with dynamically variable mutual coupling. The topological interface is created via phase modulation in one of the loops, which allows for an anomalous Floquet topological transition at the interface.

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We experimentally observe a coexisting pair of topological anomalous Floquet interface states in a (1+1)-dimensional Discrete Photon Walk.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.06966 [2] arXiv https://arxiv.org/abs/2010.06966 [3] Publisher https://arxiv.org/abs/2010.06966

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