Contents
2024
Volume: 50 Issue 2
17 Article(s)

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Research Articles
Research Progress of Communication Laser and Its Modulation Technology
Xiaomei GAO, Yuting SHU, Jingyuan LIANG, Huiqin WANG, Li ZHAO, Peng SONG, and Xizheng KE
In the field of optical communication, laser and its modulation bandwidth and modulation rate are very important for optical wireless communication. There are two main modulation modes for semiconductor laser signal: internal modulation and external modulation. These two modulation technologies have their own character
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22004801 (2024)
Simulation Study of Dual-phase Conjugate Twin Waves in OFDM System
Songge XIA, Jianxin DU, Hang YI, and Yu ZHANG
【Objective】In this paper, the objective of the research is to improve the performance of Orthogonal Frequency Division Multiplexing (OFDM)-Wavelength Division Multiplexing (WDM) optical fiber communication system. a Quadrature Grouped Subcarrier Amplitude Shaping (QGSAS) dual-Phase Conjugate Twin Waves (dual-PCTW) sche
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22005301 (2024)
Generation of Frequency-tunable Microwave Carriers based on the U-band Lightwave Carrier
Di JI, Zhitao HU, Zhutian WANG, Fufei PANG, Nan YE, and Yingxiong SONG
【Objective】High-frequency microwave carriers (GHz) with tunable capability have a wide range of applications in 5th Generation Mobile Communication Technology (5G)/ 6th Generation Mobile Communication Technology (6G) wireless networks, radar systems, and satellite communications. Due to the relatively simple structure
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22005401 (2024)
Analysis of Physical Layer Security Performance of RIS-assisted Mixed RF/FSO System
Hui ZHAO, Hui WAN, Jing LI, and Weiwen MA
【Objective】In order to improve the confidentiality and performance of the mixed Radio Frequency (RF)/Free Space Optical (FSO) communication systems, it is necessary to study the security performance of the Reconfigurable Intelligent Surface (RIS)-assisted mixed RF/FSO system to obtain the relationship between system se
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22005601 (2024)
Deep Learning based Channel Estimation in PLC Communication
Tiancheng JING, Hongguang DUAN, Xu ZHAO, and Jiaxin ZHANG
【Objective】Power Line Carrier(PLC)communication adopts the frame burst transmission mode. Due to the carrier frequency offset between transceivers, various noise and time-varying characteristics of PLC channel and the system has no dedicated reference signal. The traditional channel estimation has no tracking and predi
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22005801 (2024)
Research Progress of Deformable Mirror and Its Control Algorithm
Jingyuan LIANG, Hairong WANG, Na ZHANG, Xiaodan ZHANG, Li ZHAO, Huiqing WANG, Yi WANG, and Xizheng KE
【Objective】Deformable Mirror(DM) is a key device in adaptive optics system for wavefront correction, and its performance directly determines the wavefront correction capability of the system. By studying DM and their control algorithm, the wavefront correction capability of adaptive optics system can be continuously im
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22006201 (2024)
Risk-aware Optical Network Service Restoration Algorithm under Persistent Disasters
Xuerang GUO, Yike JIANG, Yaping LI, Qiang ZHANG, Meng LIAN, and Yongli ZHAO
【Objective】Natural disasters such as earthquakes have the characteristics of persistence and wide range. During the occurrence of disasters, the link resources of the optical network will be continuously damaged, resulting in the constant change of the link risk. In the face of constantly changing link risks, improper
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22006901 (2024)
Analysis and Research on Optical Cable Route Survey Method
Yunfeng MAN, Jing SHEN, Xinchun LI, and Guanghai SHAO
【Objective】With the development of domestic optical network construction, the management of fiber optic cable routing resources increasingly attract the attention of operators, especially the problem of low efficiency in fiber optic cable survey. There is an urgent need for a feasible fiber optic cable survey method an
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22007001 (2024)
Application of 5G Technology in UHV Converter Station
Yongjie LI, Jizhao LU, Chenguang WU, and Yüjing ZHAO
【Objective】In response to the needs of Ultra High Voltage (UHV) site infrastructure control and intelligent transportation and inspection, 5th Generation Mobile Communication Technology (5G) is applied to the construction phase of UHV converter station for the first time in China.【Methods】On the basis of realizing 5G f
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22007101 (2024)
Ultra Long Span φOTDR Sensing System based on ROPA Technology
Shiyu ZHANG, Jiang WU, Ming LI, Mingchao NIE, and Jian XU
【Objective】For the problem of limited sensing distance of distributed optical fiber sensing system, a Phase-Sensitive Optical Time Domain Reflectometry (φOTDR)distributed optical fiber sensing system based on Remote Optically Pumped Amplifier (ROPA) technology was proposed.【Methods】Adopting polarization diversity recep
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22007601 (2024)
Analysis and Optimization of G.652.D Fibre Spectral Matrix based on Loss Sources
Tai LIU, Jing LI, Chao HAN, Liyan ZHANG, Tingting LI, and Chen WANG
【Objective】This paper studies numerical characteristics and characteristic matrix of attenuation spectrum of G.652.D single-mode optical fibres, and considers the attenuation factor to optimize the mathematical expression of optical fibre attenuation spectrum model. The study aims to improve the digital modeling abilit
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22007901 (2024)
Research on SDN Cross-domain Management and Control based on ACTN and SDOTN Standards
Tangchao WANG
【Objective】In order to realize intelligent cloud-light integration and to solve the problem of slow deploying optical transport network, the article provides a fast deployment method for end-to-end business of cross-domain and cross-vendor.【Methods】By analyzing current status of cross-domain and cross-vendor service de
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22008501 (2024)
Electro-optic Modulation Programmable Optical Frequency Comb based on Deep Learning
Hongda LI, Ziang ZHENG, Luojia MA, Yunjie MA, and Peili LI
【Objective】To meet the diverse application demands for high-performance Optical Frequency Comb (OFC), especially in terms of independently adjustable parameters like bandwidth, flatness, central wavelength, and spectral line spacing, a method based on secondary coupled Radio Frequency (RF) signals to drive a single Dua
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 22008701 (2024)
Factors Affecting the Sensitivity of Coherent Detection
Meimiao HAN, Gengen YANG, Jingyuan LIANG, and Xizheng KE
【Objective】Coherent optical communication is a high-speed, high-quality, and highly secure communication method, and coherent detection plays an extremely important role in coherent optical communication. High sensitivity coherent detection systems can significantly increase the distance of coherent optical communicati
Study On Optical Communications
  • Publication Date: Apr. 10, 2024
  • Vol. 50, Issue 2, 23008101 (2024)