期刊
NANOPHOTONICS
卷 12, 期 14, 页码 2669-2685出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2023-0008
关键词
metasurface; multiplexing; orbital angular momentum; photonic-integrated circuits
There is a growing interest in using multiple multiplexed orthogonal orbital angular momentum (OAM) beams to increase data capacity in communication systems. This article discusses the use of pixel-array-based metasurfaces as OAM transmitters and receivers for mode division multiplexing (MDM) communications in the near-infrared (NIR) and terahertz (THz) regimes.
There is growing interest in using multiple multiplexed orthogonal orbital angular momentum (OAM) beams to increase the data capacity of communication systems in different frequency ranges. To help enable future deployment of OAM-based communications, an ecosystem of compact and cost-effective OAM generators and detectors is likely to play an important role. Desired features of such integrated circuits include generating and detecting multiple coaxial OAM beams, tunability of OAM orders, and operation over a wide bandwidth. In this article, we discuss the use of pixel-array-based metasurfaces as OAM transmitters and receivers for mode division multiplexing (MDM) communications in near-infrared (NIR) and terahertz (THz) regimes.
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