Design and performance analysis of OAM‐based multidimensional multiplexing RoF‐PON integrated access system

The unique advantage of orbital angular momentum (OAM) provides a novel approach to breaking through the limitations of high‐capacity and long‐distance transmission in the conventional radio‐overfiber passive optical network (RoF‐PON) hybrid access network. Introducing the OAM division multiplexing...

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Bibliographic Details
Published in:Microwave and optical technology letters 2024-05, Vol.66 (5), p.n/a
Main Authors: Ding, Qing‐an, Ren, Jiali, Jiang, Meiyu, Liu, Huixin, Guo, Xiaohan, Liu, Chunyan, Niu, Qun, Zhang, Yongqi, Lei, Yang
Format: Article
Language:English
Subjects:
Angular momentum
Communications systems
Computer architecture
Gaussian beams (optics)
orbital angular momentum
Orthogonal Frequency Division Multiplexing
polarization‐division multiplexing
Radio signals
RoF‐PON
Upstream
Wavelength division multiplexing
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Summary:The unique advantage of orbital angular momentum (OAM) provides a novel approach to breaking through the limitations of high‐capacity and long‐distance transmission in the conventional radio‐overfiber passive optical network (RoF‐PON) hybrid access network. Introducing the OAM division multiplexing (OAM‐DM) based on Laguerre–Gaussian (LG) beams into the RoF‐PON, an innovative multidimensional system architecture is proposed, which integrates with polarization‐division multiplexing (PDM), wavelength‐division multiplexing (WDM), and orthogonal frequency‐division multiplexing (OFDM) technologies. Successful long‐distance transmission of both the downstream 40 GHz radio OFDM signal and the upstream 40 Gbps on‐off keying (OOK) signal over 80 km are achieved. Additionally, at the optical network unit side, low‐cost upstream carrier re‐modulation technology and flexible access for both wired and wireless signals are realized. The proposed RoF‐OAM‐DM‐PDM‐WDM‐OFDM‐PON architecture offers a dependable solution for high‐capacity and low‐cost future communication systems, holding great importance in achieving flexible access networks.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.34170