1. South China Normal University, School of Information and Optoelectronic Science and Engineering, Laboratory of Nanophotonic Functional Materials and Devices, Guangzhou 510006, China
2. South China Normal University, School of Information and Optoelectronic Science and Engineering, Laboratory of Nanophotonic Functional Materials and Devices, Guangzhou 510006, ChinabGuangzhou Yongda Optical Communication Technology Development Co., Ltd.,
3. Guangzhou Yongda Optical Communication Technology Development Co., Ltd., Guangzhou 511400, China
4. Huawei Technologies Co. Ltd., Shenzhen 518129, China