Abstract
As one solution to implement the large-capacity space division multiplexing (SDM) transmission systems, the mode division multiplexing (MDM) has gained much attention recently. The vector mode (VM), which is the eigenmode of the optical fiber, has also been adopted to realize the optical communications including the transmission over free-space optical (FSO) and optical fiber links. Considering the concerns on the short-reach optical interconnects, the low cost and high integration technologies should be developed. Direct detection (DD) with higher-order modulation formats in combination of MDM technologies could offer an available trade-off in system performance and complexity. We review demonstrations of FSO and fiber high-speed data transmission based on the VM MDM (VMDM) technologies. The special VMs, cylindrical vector beams (CVB), have been generated by the q-plate (QP) and characterized accordingly. And then they were used to implement the VMDM transmission with direct-detection orthogonal frequency division multiplexing (DD-OFDM). These demonstrations show the potential of VMDM-DD-OFDM technology in the large-capacity short-reach transmission links.
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Jianping Li received his B.S. degree in electronic science and technology from Jishou University in 2004, M.S. degree in communications and information system from South-west Jiaotong University in 2007 and Ph.D. degree in physical electronics from Beijing University of Posts and Telecommunication in 2012. And then he joined the Institute of Photonics and Technology at Jinan University as a lecturer. Since Oct. 2014, he has been promoted to an Associate professor in Institute of Photonics and Technology. Dr. Li has published/co-published more than 40 papers in top international journals and more than 20 conference papers (including invited talks). The main research interest of Dr. Li is focused on high-speed fiber communication system including optical frequency comb generation, mode division multiplexing and short-reach optical interconnect, etc.
Zhaohui Li obtained his B.S. degree in the Department of Physics and M.Sc. degree in the Institute of Modern Optics from Nankai University, China in 1999 and 2002 respectively, and his Ph.D. degree from the Nanyang Technological University 2007. Now, he is working in the School of Electronics and Information Technology, Sun Yat-sen University, China, as professor in 2009. His research interests are optical communication systems, optical signal processing technology and ultrafine measurement systems.
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Li, J., Li, Z. Vector mode based optical direct detection orthogonal frequency division multiplexing transmission in short-reach optical link. Front. Optoelectron. 12, 41–51 (2019). https://doi.org/10.1007/s12200-018-0836-7
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DOI: https://doi.org/10.1007/s12200-018-0836-7