Coherent optical wireless communication link employing orbital angular momentum multiplexing in a ballistic and diffusive scattering medium

Runzhou Zhang, Long Li, Zhe Zhao, X. I.E. Guodong, Giovanni Milione, Hao Song, Peicheng Liao, Cong Liu, Haoqian Song, Kai Pang, Ari N. Willner, Brittany Lynn, Robert Bock, Moshe Tur, Alan E. Willner

Research output: Contribution to journalArticlepeer-review

Abstract

We experimentally investigate the scattering effect on an 80 Gbit/s orbital angular momentum (OAM) multiplexed optical wireless communication link. The power loss, mode purity, cross talk, and bit error rate performance are measured and analyzed for different OAM modes under scattering levels from ballistic to diffusive regions. Results show that (i) power loss is the main impairment in the ballistic scattering, while the mode purities of different OAM modes are not significantly affected; (ii) in the diffusive scattering, however, the performance of an OAM-multiplexed link further suffers from the increased cross talk between the different OAM modes.

Original languageEnglish
Pages (from-to)691-694
Number of pages4
JournalOptics Letters
Volume44
Issue number3
DOIs
StatePublished - 1 Feb 2019

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