Nonreciprocal metamaterial obeying time-reversal symmetry
Optics
2020-07-01 v1
Abstract
We introduce a class of non-Hermitian systems that break electromagnetic reciprocity while preserving time-reversal symmetry, and describe its novel polarization dynamics. We show that this class of systems can be realized using van der Waals heterostructures involving transition-metal dichalcogenides (TMDs). Our work provides a path towards achieving strong optical nonreciprocity and polarization-dependent directional amplification using compact, large-area and magnet-free structures.
Keywords
Cite
@article{arxiv.2002.00341,
title = {Nonreciprocal metamaterial obeying time-reversal symmetry},
author = {Siddharth Buddhiraju and Alex Song and Georgia T. Papadakis and Shanhui Fan},
journal= {arXiv preprint arXiv:2002.00341},
year = {2020}
}