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Magnetic‐Free Plasmonic Isolation
A reconfigurable non‐magnetic isolator based on parametric amplification is demonstrated experimentally on an ultrathin planar spoof plasmonic platform in article number 2100578. Xinxin Gao, Jingjing Zhang, and colleagues envision this work can establish a foundation for developing magnetic‐free non‐reciprocal devices suitable for on‐chip integration with microwave...
Driven by the miniaturization of integrated electronics, research on spoof plasmonic circuits has recently aroused widespread interest. On the other hand, nonreciprocal devices, such as isolators and circulators, are key components of integrated electronic systems. However, bulky magnets required to realize isolation and circulation prevent the application of traditional nonreciprocal technologies...
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