title: A chirality switching device designed with transformation optics.
authors.affiliation: State Key Laboratory of Surface Physics and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan University, Shanghai, 200433, China.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Shen
authors.forename: Kun
authors.initials: K
authors.lastname: Ding
authors.forename: Wujiong
authors.initials: W
authors.lastname: Sun
authors.forename: Lei
authors.initials: L
authors.lastname: Zhou