Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link
This paper proposes a stable radio frequency (RF) transfer scheme based on phase modulation. The passive compensation method is used to compensate the phase variations. The use of only one mixer reduces the power consumption during the frequency mixing process. By utilizing a phase modulator, the is...
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| Format: | Article |
| Language: | English |
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IEEE
2023-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/10110912/ |
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| author | Chenxia Liu Tianwei Jiang Hanyue Wang Mingzheng Lei Tao Liu Song Yu |
| author_facet | Chenxia Liu Tianwei Jiang Hanyue Wang Mingzheng Lei Tao Liu Song Yu |
| author_sort | Chenxia Liu |
| collection | DOAJ |
| description | This paper proposes a stable radio frequency (RF) transfer scheme based on phase modulation. The passive compensation method is used to compensate the phase variations. The use of only one mixer reduces the power consumption during the frequency mixing process. By utilizing a phase modulator, the issue of bias drifting, encountered in RF transmission systems with intensity modulation method, is eliminated. A single-mode fiber (SMF) serves as a dispersive medium for phase modulation-to-intensity modulation (PM-to-IM) conversion. Our passive compensation system with phase modulation has the characteristics of robustness and low insertion loss at the modulation module. The RF signal with frequency of 2.4 GHz is transferred via a 125 km fiber optic link. The measured standard Allan deviation (ADEV) of our transmission system is 3.66 × <inline-formula><tex-math notation="LaTeX">$10^{-13}$</tex-math></inline-formula> at 1 s and 2.26 × <inline-formula><tex-math notation="LaTeX">$10^{-16}$</tex-math></inline-formula> at 10000 s, which is better than that of the reference atomic clock. The proposed system will be useful for further applications such as in square kilometer arrays and remote clock comparison. |
| format | Article |
| id | doaj-art-0636456b91bf4e819a6b366e0f144f7e |
| institution | DOAJ |
| issn | 1943-0655 |
| language | English |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-0636456b91bf4e819a6b366e0f144f7e2025-08-20T02:41:52ZengIEEEIEEE Photonics Journal1943-06552023-01-011531510.1109/JPHOT.2023.327135010110912Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic LinkChenxia Liu0https://orcid.org/0000-0002-2631-322XTianwei Jiang1https://orcid.org/0000-0002-9005-4779Hanyue Wang2Mingzheng Lei3https://orcid.org/0000-0001-8340-8666Tao Liu4https://orcid.org/0000-0002-1160-6791Song Yu5https://orcid.org/0000-0003-1489-9021Department of Electronic and Communication Engineering, Hebei Key Laboratory of Power Internet of Things Technology, North China Electric Power University, Baoding, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaDepartment of Electronic and Communication Engineering, Hebei Key Laboratory of Power Internet of Things Technology, North China Electric Power University, Baoding, ChinaPurple Mountain Laboratories, Nanjing, ChinaDepartment of Electronic and Communication Engineering, Hebei Key Laboratory of Power Internet of Things Technology, North China Electric Power University, Baoding, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaThis paper proposes a stable radio frequency (RF) transfer scheme based on phase modulation. The passive compensation method is used to compensate the phase variations. The use of only one mixer reduces the power consumption during the frequency mixing process. By utilizing a phase modulator, the issue of bias drifting, encountered in RF transmission systems with intensity modulation method, is eliminated. A single-mode fiber (SMF) serves as a dispersive medium for phase modulation-to-intensity modulation (PM-to-IM) conversion. Our passive compensation system with phase modulation has the characteristics of robustness and low insertion loss at the modulation module. The RF signal with frequency of 2.4 GHz is transferred via a 125 km fiber optic link. The measured standard Allan deviation (ADEV) of our transmission system is 3.66 × <inline-formula><tex-math notation="LaTeX">$10^{-13}$</tex-math></inline-formula> at 1 s and 2.26 × <inline-formula><tex-math notation="LaTeX">$10^{-16}$</tex-math></inline-formula> at 10000 s, which is better than that of the reference atomic clock. The proposed system will be useful for further applications such as in square kilometer arrays and remote clock comparison.https://ieeexplore.ieee.org/document/10110912/Radio frequency transferphase compensationphase modulation |
| spellingShingle | Chenxia Liu Tianwei Jiang Hanyue Wang Mingzheng Lei Tao Liu Song Yu Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link IEEE Photonics Journal Radio frequency transfer phase compensation phase modulation |
| title | Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link |
| title_full | Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link |
| title_fullStr | Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link |
| title_full_unstemmed | Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link |
| title_short | Phase-Modulation-Based Stable Radio Frequency Transmission via 125 km Fiber Optic Link |
| title_sort | phase modulation based stable radio frequency transmission via 125 km fiber optic link |
| topic | Radio frequency transfer phase compensation phase modulation |
| url | https://ieeexplore.ieee.org/document/10110912/ |
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