Stable radio frequency dissemination via a 1007 km fiber link based on a high-performance phase lock loop Article Swipe

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Dongxing Wang , Tianwei Jiang , Chenxia Liu , Shujin Zhou , Song Yu ·

YOU? · · 2018 · Open Access · · DOI: https://doi.org/10.1364/oe.26.024479

In this paper, we propose an active-compensation stable radio frequency (RF) transmission scheme based on a high-performance phase lock loop (PLL). In our PLL, a new structure for phase-detection is designed with only one standard RF signal to obtain a simple structure with no interference from other signals. In addition, different optical wavelengths carrying the same RF signal are utilized in the two directions to suppress Rayleigh scattering. The low phase noise homemade bi-directional erbium doped fiber amplifier (EDFA) module is used to reduce signal-to-noise ratio (SNR) deterioration. Hence, the transmission distance is greatly improved. The effects of polarization mode dispersion and phase noise produced by the EDFA on the transmission distance are discussed. Ultimately, a stable RF signal with 2.4 GHz transmitted over a 1007 km fiber link is obtained. The experimental results demonstrate that frequency instabilities of 1.2×10^- ¹³ at 1s and 5.1×10^- ¹⁶ at 20000s. Therefore, the system can be used for atomic clocks comparisons and provides frequency standard for time transfer systems over a long-haul fiber.

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Phase noise Phase-locked loop Optics Radio frequency Amplifier Physics Optical amplifier Computer science Telecommunications Optoelectronics Laser CMOS

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Type: article
Language: en
Landing Page: https://doi.org/10.1364/oe.26.024479
OA Status: gold
Cited By: 27
References: 26
Related Works: 10
OpenAlex ID: https://openalex.org/W2890013696

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DOI: https://doi.org/10.1364/oe.26.024479

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Title: Stable radio frequency dissemination via a 1007 km fiber link based on a high-performance phase lock loop

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Language: en

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Publication year: 2018

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Publication date: 2018-09-05

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Authors: Dongxing Wang, Tianwei Jiang, Chenxia Liu, Shujin Zhou, Song Yu

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Landing page: https://doi.org/10.1364/oe.26.024479

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Concepts: Phase noise, Phase-locked loop, Optics, Radio frequency, Amplifier, Physics, Optical amplifier, Computer science, Telecommunications, Optoelectronics, Laser, CMOS

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Cited by: 27

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