A robust and tuneable mid-infrared optical switch enabled by bulk Dirac fermions

Chunhui Zhu; Fengqiu Wang; Yafei Meng; Xiang Yuan; Faxian Xiu; Hongyu Luo; Yazhou Wang; Jianfeng Li; Xinjie Lv; Liang He; Yongbing Xu; Junfeng Liu; Chao Zhang; Yi Shi; Rong Zhang; Shining Zhu

doi:10.1038/ncomms14111

Nature Communications (Jan 2017)

A robust and tuneable mid-infrared optical switch enabled by bulk Dirac fermions

Chunhui Zhu,
Fengqiu Wang,
Yafei Meng,
Xiang Yuan,
Faxian Xiu,
Hongyu Luo,
Yazhou Wang,
Jianfeng Li,
Xinjie Lv,
Liang He,
Yongbing Xu,
Junfeng Liu,
Chao Zhang,
Yi Shi,
Rong Zhang,
Shining Zhu

Affiliations

Chunhui Zhu: School of Electronic Science and Engineering, Nanjing University
Fengqiu Wang: School of Electronic Science and Engineering, Nanjing University
Yafei Meng: School of Electronic Science and Engineering, Nanjing University
Xiang Yuan: Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Faxian Xiu: Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Hongyu Luo: School of Optoelectronic Information, University of Electronic Science and Technology of China
Yazhou Wang: School of Optoelectronic Information, University of Electronic Science and Technology of China
Jianfeng Li: School of Optoelectronic Information, University of Electronic Science and Technology of China
Xinjie Lv: Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Liang He: School of Electronic Science and Engineering, Nanjing University
Yongbing Xu: School of Electronic Science and Engineering, Nanjing University
Junfeng Liu: Department of Physics, South University of Science and Technology of China
Chao Zhang: School of Physics and Institute for Superconducting and Electronic Materials, University of Wollongong
Yi Shi: School of Electronic Science and Engineering, Nanjing University
Rong Zhang: School of Electronic Science and Engineering, Nanjing University
Shining Zhu: Collaborative Innovation Center of Advanced Microstructures, Nanjing University

DOI: https://doi.org/10.1038/ncomms14111
Journal volume & issue: Vol. 8, no. 1
pp. 1 – 7

Abstract

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Mid-infrared pulsed sources are technologically important for sensing and spectroscopy but their implementation is challenging due to the lack of a tuneable optical switch. Here, the authors address this limitation by engineering the band structure of an emerging Dirac semimetal, Cd3As2.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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