https://arxiv.org/pdf/1905.13252

Y Yu, G Michetti, M Pirro, A Kord, D Sounas, Z Xiao… - arXiv preprint arXiv …, 2019

In this paper, a new generation of magnet-free circulators with high performance is proposed. Circulators are crucial devices in modern communication systems due to their ability to enable full-duplexing and double the spectral efficiency directly in the …