ECOC is a global optical communication academic industry event, and the series of achievements fully demonstrates the innovation advantages and technical strength of the whole industry chain of Sinocom optical communications. Lanbras has also been participated in this event via internet.
High-capacity & Long-distance optical transmission field
Fiberhome participated in the optical transmission system experiment led by China Mobile Research Institute and co-published the report "Real-Time 10-λ×800-Gb/s Sub-Carrier-Multiplexing 95-GBd DP-64QAM-PCS Transmission Over 2018-km G.654.E Fibre With Pure Backward Distributed Raman Amplification”. The experiment focuses on the core technologies of super bandwidth, flexible scheduling, intelligent networking, etc., based on G.654.E fiber and pure back-to-Raman amplification system, and achieves the limit transmission of 800G optical signal of more than 2,000 kilometers for the first time in the industry, and the result is ed as "Highly Scored Paper".
High-speed optical chips & Optical devices
Dr. Xiaoxi of China Xinke delivered a special report entitled "High Baudrate Silicon Photonics for the Next-generation Optical Communication" at the conference, and released a single-carrier net rate 666Gb/s (100Gbaud PDM-16QAM) silicon-based coherent optical transmission device jointly developed with Fiberhome subsidiary Fiberling and China Xinke's Photoxun Technology At present, it is the highest-speed silicon-based coherent optical device that has been released in China. Based on the self-developed silicon optical chip, the experiments such as 1.06Pbit/s single-fiber transmission and 16Tbit/s, 10,000 km standard single-mode optical fiber transmission fully demonstrated the great potential of silicon optical chips in the next generation of optical fiber transmission. In addition, the National Center for Information Optoelectronics Innovation demonstrated for the first time a double-sidewalled doped ultra-high-speed silicon optical detector chip in the oral report "Single Lane Beyond 400Gbit/s Optical Direct Detection Based on a Sidewall-Doped Ge-Si Photodetector", and measured a single-channel 408Gb/s (136Gbaud). PAM8) optical signal reception function, set an international record for the rate of silicon light detectors, the research results were also ed for the "Highly Scored Paper" of this conference.
According to public information, in 2021, in the "Nature Index" global high-tech enterprise rankings, China Xinke achieved the world's 9th and domestic information field No. 1 results. At this conference, China Xinke's units published a total of 5 papers, and the number of articles hit a record high, which is one of the enterprises with the most ed articles in Chinese mainland. Among them, there are one invited report (only 3 Chinese mainland) and two "Highly Scored Paper" (Chinese mainland only 3 papers were ed), involving large-capacity long-distance optical transmission systems, high-speed silicon optical chips and devices, high-speed passive optical access systems and data center network architecture.
Next-generation optical communications projects
Fiberhome & Lanbras have always been on the road of technological innovation and breakthrough.
According to the Visual Network Index forecast report released by Cisco, the global IP traffic demand was 122 exabytes per month in 2017 and has grown to 396 exabytes per month by 2022. As the demand for high-quality services such as cloud computing and data centers surges, network traffic will continue to grow at a faster pace. Single-mode fiber is the main carrier of optical communication network, limited by nonlinear effects, single fiber communication capacity has approached the limit (100Tb/s). Multi-core optical fiber multi-channel transmission capacity is increased exponentially by building multiple cores at the same time to achieve multi-channel signal transmission in a single optical fiber.
By expanding the transmission band that can be used by multi-core optical fibers, the transmission capacity of optical fibers can be further improved, and the utilization rate of pipeline resources can be greatly improved, which is the development trend of the next generation of optical communications.
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