1 Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China
2 State Key Laboratory of Optoelectronic Materials and Technologies and School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
space division multiplexing (SDM) mode division multiplexing (MDM) few-mode fiber (FMF) vector mode (VM) cylindrical vector beam (CVB) orthogonal frequency division multiplexing (OFDM) direct detection (DD) optical interconnect Frontiers of Optoelectronics
2019, 12(1): 0141–51
奇点光束包括基于相位奇点的轨道角动量(OAM)光束和基于偏振奇点的柱矢量光束(CVB)。OAM光束和CVB都具有正交性,可以作为空分复用的模式应用于光通信中,为光束复用提供一个新的自由度,大幅度地提高光通信系统的容量,在光通信中具有广泛的应用前景。文章首先介绍了OAM光束和CVB的数学描述和物理特性,然后重点综述了其产生和检测方法以及在自由空间光通信和光纤通信中的研究进展,比较了OAM光束和CVB在光通信应用中各自的优势与不足之处。最后,探讨了奇点光束复用光通信的应用方向和发展趋势。
奇点光束 光通信技术 轨道角动量 柱矢量光束 singular optical beams optical communication technology OAM CVB