Topological framework for directional amplification in driven-dissipative cavity arrays

In information processing applications, directional amplifiers are key components which can be realized in very different systems. Here, the authors present a theoretical framework based on the introduction of a topological invariant that helps to understand directional amplification in coupled cavi...

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Bibliographic Details
Main Authors: Clara C. Wanjura, Matteo Brunelli, Andreas Nunnenkamp
Format: article
Language:EN
Published: Nature Portfolio 2020
Subjects:
Q
Online Access:https://doaj.org/article/3c3a2f072d4146b89c44b83b93795e65
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Summary:In information processing applications, directional amplifiers are key components which can be realized in very different systems. Here, the authors present a theoretical framework based on the introduction of a topological invariant that helps to understand directional amplification in coupled cavity arrays.