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说明: China is the world's most important optical communications country and plays a pivotal role in the field of fiber optic cable. However, in the field of optical communication chips, China still has a lot of room for improvement, especially high-end optoelectronic chips. China's optical communications industry development status At present, there are not many enterprises that can produce optical communication chips in China, and there are about 30 companies, most of which can produce low-end chips in large quantities. Only a few manufacturers such as Guangxun Technology, Hisense, Huawei, and Bonfire can produce medium and high-end chips, but the overall supply is limited, and the market share is less than 1%. High-end chips rely heavily on Broadcom, Mitsubishi and other US and Japa...
说明: Recently, the results of researchers in the Graphene Flagship project show that graphene-based integrated photonic devices provide a unique solution for next-generation optical communications. Researchers have demonstrated that graphene can achieve ultra-wideband communication and low power consumption, fundamentally changing the way data is transmitted in optical communication systems. This may make graphene integrated equipment a key factor in the development of 5G, Internet of Things (IoT) and Industry 4.0. The results were published in Nature Reviews Materials and highlighted on the cover. “As traditional semiconductor technologies are approaching their physical limitations, we need to explore new technologies to achieve our most ambitious vision for a future networked global soci...
说明: Recently, the 400G BiDi MSA said it has released its first 400G-BD4.2 specification. The specification describes a 400 Gbps transmission over 100 meters on a multimode fiber via a dual wavelength BiDi transmission method. The MSA claims that 100Gbps BiDi can be used in Ethernet applications, and it is also compatible with existing parallel multimode fiber infrastructure.In July of this year, the 400G BiDi MSA was announced and plans to select BiDi optical transceivers for 70-150m multimode fiber applications. Founding members include Alibaba, Broadcom, Cisco, Corning, FIT, Xuchuang, Inphi and Sumitomo Electric, and later joined Finisar. In the same period, the IEEE P802.3cm 400Gb/s working group based on multimode fiber voted to implement a similar specification called 400GBASE-SR4.2. ...
说明: Chongqing Daily News (Reporter Xia Yuan) October 21, the 14th National Plastic Optical Fiber and Polymer Photonic Society and Industry Alliance Annual Conference was held in Chongqing, the domestic plastic optical fiber industry enterprises, universities and research institutes and more than 80 units attended. Chongqing Daily reporters learned from the meeting that at present, the city is cultivating hundreds of billions of plastic optical fiber industry, in the future better signal transmission, stronger anti-interference plastic optical fiber will gradually replace copper wire, for the citizens to "surf the Internet" to speed up. The conference was hosted by the China Optical Society Fiber Optics and Integrated Optics Professional Committee, China Plastic Fiber Industry Un...
说明: As the application of Internet of Things, VR/AR, high-definition video and so on promotes the high-speed growth of data flow, telecommunication network continues to upgrade, 5G pre-commercial deployment is imminent, China's optical communication industry shows good prospects for development, especially in the field of FTTH and base station, attracting the global major enterprises to scramble for layout. MITSUBISHI Electric is one of the optical communication module enterprises that are very optimistic about the Chinese market. Recently, Mitsubishi Electric Semiconductor Asia Sales Director Kenji Fukuda told the Journal of Semiconductor Device Applications: "At present, China's telecommunications industry is developing rapidly, a variety of new services are also emerging, network ...
说明: Development of communication industry After more than thirty years of development, China has become a great power of communication industry. According to statistics, China's fiber optic cable output has accounted for 60% of the global total output, equipment system output accounted for more than half. Prior to the 1990s, China's telecommunications service industry basically followed the planned economic system model. The design institutes and engineering companies of the Provincial Posts and Telecommunications Administration provided corresponding design and construction services. Each Telecommunications Bureau set up operation and maintenance departments to take charge of network maintenance services, and the telecommunications equipment manufacturers took charge of equipment an...
说明: Nowadays, with the increasing data volume, data centers are facing the challenges of increasing demand, power density, node and rack equipment. As a result, their data centers will generate more heat. The problem of heat dissipation has become a difficult problem for data center operators. According to a survey released by BSRIA, the traditional cooling solution used by data centers is air cooling, but with the increasing demand for services, data centers are prompting them to explore new alternative solutions to find more flexible, powerful and cost-effective cooling layouts and technologies. At this point, the way of liquid cooling is born. Liquid cooling, as the name suggests, is a liquid-based cooling system that pumps liquid through pipes around equipment that needs to be co...
说明: Who said the engine room could not be tall? After one year's time, seven rounds of detailed discussion on requirements, 11 revisions, elaborate and devoted to creating the visualization platform of the data center infrastructure of the Bank of China. This is a combination of intelligence and beauty, cool, visual and other elements, efficient, innovative, high-value infrastructure operation and maintenance platform. The platform consists of two major functional modules: First, infrastructure operation and maintenance data module. In order to integrate the large data resources of infrastructure operation and maintenance, we independently developed the infrastructure operation and maintenance data module, which integrates the operation and maintenance information of decentraliz...
说明: The advent of 5G will also bring about tremendous changes in user content services and experience, such as high-definition video, VR games, the Internet of Things and other industries will be profitable, accelerate the pace of development.First of all, the high-definition video industry will usher in the spring, and the user's visual experience will be greatly enhanced. A few days ago, China Mobile completed the 8K HD video on demand demonstration based on 5G network, compared with 4K video, 8K ultra-high definition video can not only improve the quality of the picture, achieve a high degree of restoration of real scenes; and 8K high definition video technology combined with 5G network will change the traditional media industry, and help the broadcasting and television industry in an all-r...
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