Topological Protection of Photonic Path Entanglement
Topological Protection of Photonic Path Entanglement
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DOI：
10.1364/optica.3.000925
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发表时间：
2016-05
期刊：
影响因子：
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通讯作者：
M. Rechtsman;Y. Lumer;Y. Plotnik;A. Pérez-Leija;A. Szameit;M. Segev
中科院分区：
文献类型：
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作者：
M. Rechtsman;Y. Lumer;Y. Plotnik;A. Pérez-Leija;A. Szameit;M. Segev
最近出现的光子拓扑绝缘体为在光学设备和量子模拟中使用拓扑保护传输(起源于凝聚态物理领域)的稳健性打开了大门。与此同时，光子网络中的量子漫步已经被证明对某些算法产生指数加速比，例如玻色子采样。在这里，我们从理论上证明了尽管存在无序，光子拓扑绝缘体仍能很好地保护量子信息在光子网络中的传输。
The recent advent of photonic topological insulators has opened the door to using the robustness of topologically protected transport (originated in the domain of condensed matter physics) in optical devices and in quantum simulation. Concurrently, quantum walks in photonic networks have been shown to yield exponential speedup for certain algorithms, such as Boson sampling. Here we theoretically demonstrate that photonic topological insulators can robustly protect the transport of quantum information through photonic networks, despite the presence of disorder.