Subwavelength electromagnetic diode: one-way response of cascading nonlinear meta-atoms
Optics
2011-06-01 v2
Abstract
We propose a scheme for realizing subwavelength electromagnetic diode by employing cascading nonlinear meta-atoms. One-way response is demonstrated on a microwave transmission line comprising of three metallic ring resonators acting as meta-atoms and a varactor as the nonlinear medium inclusion. Experiments show that our implementation can operate simultaneously as forward diode and backward diode at different frequencies. A transmission contrast of up to 14.7dB was achieved between forward and backward transmission. Subwavelength size of our diode should be useful for miniaturization of integrated optical nanocircuits.
Keywords
Cite
@article{arxiv.1012.2252,
title = {Subwavelength electromagnetic diode: one-way response of cascading nonlinear meta-atoms},
author = {Yuancheng Fan and Jin Han and Zeyong Wei and Chao Wu and Yang Cao and Xing Yu and Hongqiang Li},
journal= {arXiv preprint arXiv:1012.2252},
year = {2011}
}