Abstract
Fan et al . raised technical concerns about our study regarding the Lorentz reciprocity theorem, with which we completely agree. Unfortunately, we incorrectly used the term “nonreciprocal” to describe the behavior of electromagnetic propagation in our devices. In our paper, this term does not refer to Lorentz reciprocity but to the asymmetric mode conversion that is experimentally demonstrated.
Highlights
Fan et al raised technical concerns about our study regarding the Lorentz reciprocity theorem, with which we completely agree
We recently demonstrated a silicon (Si) waveguide-based device that performs mode conversion in only one direction [1]
We called this effect nonreciprocal, a term that could be misleading as it implies that our device avoids Lorentz reciprocity
Summary
Fan et al raised technical concerns about our study regarding the Lorentz reciprocity theorem, with which we completely agree. We recently demonstrated a silicon (Si) waveguide-based device that performs mode conversion in only one direction [1]. We called this effect nonreciprocal, a term that could be misleading as it implies that our device avoids Lorentz reciprocity.
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