Ultrastable long-haul fiber-optic radio frequency transfer based on dual-PLL

C Liu, J Shang, Z Zhao, H Gao, J Cong… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
In this paper, we demonstrate ultrastable radio-frequency (RF) transfer over long-haul
optical fiber link. Our stabilized RF transfer technique is based on high-performance dual …

All-optical arbitrary-point stable quadruple frequency dissemination with photonic microwave phase conjugation

H Wang, X Xue, S Li, X Zheng - IEEE Photonics Journal, 2018 - ieeexplore.ieee.org
We present an all-optical stable quadruple frequency dissemination for an arbitrary-access-
point fiber-optic loop link using photonic microwave phase conjugation. A two-tone optical …

Node-downloadable frequency transfer system based on a mode-locked laser with over 100 km of fiber

Z Jin, Z Chen, K Wu, D Yu, G Wu, S Yu, B Luo… - Optics …, 2023 - opg.optica.org
To meet the requirements of time-frequency networks and enable frequency downloadability
for nodes along the link, we demonstrated the extraction of stable frequency signals at …

Gourd-shaped subring resonator-based single longitudinal mode erbium-doped fiber laser

L Tang, J Shang, Z Wang, K Mu, Y Qiao… - Optical …, 2019 - spiedigitallibrary.org
A gourd-shaped subring resonator (GSR)-based single longitudinal mode erbium-doped
fiber laser (EDFL) is proposed and experimentally demonstrated. The GSR can effectively …

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

D Wang, T Jiang, C Liu, S Zhou, S Yu - Optics express, 2018 - opg.optica.org
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 …

Stable downlinks for wideband radio frequencies in distributed noncooperative system

Z Chen, T Zhou, X Zhong, J Liu… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
A stable downlink transmission scheme for wideband anonymous microwave signals in
distributed noncooperative system has been proposed and experimentally demonstrated …

Free-space-based multiple-access frequency dissemination with optical frequency comb

D Hou, D Zhang, F Sun, Y Li, J Tian - Optics Express, 2018 - opg.optica.org
We demonstrate a free-space-based multiple-access frequency dissemination with an
optical frequency comb by using a passive phase conjunction correction technique. Timing …

Optical network solution to the synchronization of distributed coherent aperture radar

Z Zheng, J Qian, M Lei, C Song, M Xie, X Gao… - Optics Letters, 2019 - opg.optica.org
Distributed coherent aperture radar (DCAR) is an important direction for next-generation
radar due to its high sensitivity. The challenge to realize DCAR is the synchronization …

Multipoint stable radio frequency long distance transmission over fiber based on tree topology, with user fairness and deployment flexibility

C Hu, B Luo, W Pan, L Yan, X Zou - Optics Express, 2020 - opg.optica.org
In this paper, we propose a multipoint stable radio frequency (RF) optical transmission
system with tree structure. Based on the principle of phase conjugation, the phase jitter …

Stable RF transfer over a fiber-optic ring with DSBCS modulation and a DSB RF signal

P Shi, G Wu, L Hu, Q Li, J Chen - Chinese Optics Letters, 2020 - opg.optica.org
We propose a radio frequency (RF) transfer technique with passive phase noise
compensation over a fiber-optic ring. By adopting different frequencies and same …