Breaking reciprocity at the nanoscale can produce directional formation of images due to the asymmetric nonlinear optical response of subwavelength anisotropic resonators. The self-induced passive non-reciprocity has advantages compared to magnet or time modulation approaches and may impact both classical and quantum photonics.

中文翻译：

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纳米级光的不对称控制

由于亚波长各向异性谐振器的非对称非线性光学响应，在纳米级打破互易性可以产生定向的图像形成。自感应无源非互易性与磁体或时间调制方法相比具有优势，并且可能影响经典光子学和量子光子学。