32 GBaud PDM coherent transmission over 8000 km based on recirculating optical fiber loop controller

被引：0

作者：

Guo, Hao ^{[1
]}

Du, Xuemei ^{[2
]}

Yan, Fengping ^{[1
]}

Ren, Wenhua ^{[1
]}

Li, Ting ^{[3
]}

Li, Guangbo ^{[1
]}

Wang, Xiangdong ^{[1
]}

Yang, Dandan ^{[1
]}

Tan, Haoyu ^{[4
]}

Qin, Qi ^{[5
]}

Gu, Zhenyu ^{[1
]}

Cai, Yuezhi ^{[1
]}

Ji, Wenjie ^{[1
]}

Feng, Ting ^{[6
]}

Chang, Huan ^{[7
]}

机构：

[1] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing 100044, Peoples R China

[2] Natl Key Lab Scattering & Radiat, Beijing 100854, Peoples R China

[3] Beijing Jiaotong Univ, Sch Phys Sci & Engn, Beijing 100044, Peoples R China

[4] Beihang Univ, Sch Instrumentat & Optoelect Engn, Beijing 100191, Peoples R China

[5] Xingtai Univ, Sch Mech & Elect Engn, Xingtai 054001, Peoples R China

[6] Northeastern Univ Qinhuangdao, Hebei Key Lab Micronano Precis Opt Sensing & Measu, Qinhuangdao 066004, Peoples R China

[7] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China

来源：

OPTICAL FIBER TECHNOLOGY | 2025年 / 90卷

基金：

中国国家自然科学基金;

关键词：

Optical fiber communication; Recirculating optical fiber loop controller; Polarization division multiplexing; Long-haul transmission; WAVE-GUIDE; MODE;

D O I：

10.1016/j.yofte.2024.104097

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A recirculating optical fiber loop controller (ROFLC) is essential equipment for experimental verification of longhaul optical fiber communication transmission. In this experiment, the integrated acousto-optic modulators are controlled by a timing circuit composed of counters and comparators in a field programmable gate array (FPGA) to control the on-off of the optical signal. The ROFLC is introduced into the communication system to achieve 4 quadrature-amplitude-modulation (QAM) signal at 32 GBaud, over 8000 km single-mode fiber (SMF) transmission utilizing polarization division multiplexing (PDM). The ROFLC makes possible a low-cost and lightweight optical fiber communication system, and strongly promotes the application of optical fiber communication systems.

引用

页数：5

共 26 条

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