Niu, Jia-Ning
Sun, Yong-Mei
Ji, Yue-Feng
Funding for this research was provided by:
National Natural Science Foundation of China (Grant No. 61331008)
Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), P.R (Grant No. IPOC2017ZZ04)
Article History
Received: 28 September 2018
Accepted: 28 January 2019
First Online: 18 February 2019