Optical isolators : Nonlinear dynamic reciprocity

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Publication date
DOI http://dx.doi.org/10.1038/nphoton.2015.86
Reference A.B. Khanikaev and A. Alù, Optical isolators : Nonlinear dynamic reciprocity, Nat. Photon. 9, (6), 359-361 (2015)
Group Resonant Nanophotonics

Kerr optical nonlinearities are known to be well suited for achieving optical isolation, but the fact that the degree of non-reciprocity is signal-level dependent brings new opportunities as well as limitations.