Author Affiliations

Dan Wu,¹ Chao Mei,^2,† Jinhui Yuan,^1,2,‡ Binbin Yan,¹ Xinzhu Sang,¹ Kuiru Wang,¹ Xian Zhou,² and Keping Long²

¹State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, P.O. Box72 (BUPT), 100876, Beijing, China

²Beijing Engineering and Technology Center for Convergence Networks and Ubiquitous Services, SCCE, University of Science and Technology Beijing, Xueyuan Rd. 30, 100083 Beijing, China

^† chaomei@ustb.edu.cn

^‡ yuanjinhui81@163.com