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Photonic-assisted radio frequency self-interference cancellation and frequency down-conversion based on polarization multiplexing modulation

2022-01-06

 

Author(s): Wang, L (Wang, Lu); Hao, TF (Hao, Tengfei); Li, GY (Li, Guangyi); Li, M (Li, Ming); Zhu, NH (Zhu, Ninghua); Li, W (Li, Wei)

Source: APPLIED OPTICS Volume: 60 Issue: 36 Pages: 11217-11221 DOI: 10.1364/AO.445305 Published: DEC 20 2021

Abstract: We report a photonic-assisted radio frequency self-interference cancellation (RF-SIC) and frequency down-conversion scheme based on a dual-polarization Mach-Zehnder modulator (DP-MZM) by using a polarization manipulation method. In the proposed scheme, the self-interference signal is directly canceled in the optical domain by simply controlling the polarization states between the output of the DP-MZM and the polarizer. Frequency down-conversion is achieved by optoelectronic frequency mixing. In the proof-of-concept experiment, the interference cancellation of the single-frequency signal and wideband signal was conducted. The proposed RF-SIC and frequency down-conversion system has flexible tunability, simple structure, and low cost, which can find potential applications in radio-over-fiber systems. (C) 2021 Optica Publishing Group

Accession Number: WOS:000731837600027

ISSN: 1559-128X

eISSN: 2155-3165

Full Text: https://www.osapublishing.org/ao/fulltext.cfm?uri=ao-60-36-11217&id=465957



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