Sun, Yan
Tian, Bo
Yuan, Yu-Qiang
Du, Zhong
Funding for this research was provided by:
National Natural Science Foundation of China (11772017, 11272023)
National Natural Science Foundation of China (11471050)
Fund of State Key Laboratory of Information Photonics and Optical Communications (IPOC:2017ZZ05)
Fundamental Research Funds for the Central Universities of China (2011BUPTYB02)
Article History
Received: 18 April 2018
Accepted: 22 August 2018
First Online: 14 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.