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The Wavelength Division Multiplexing (WDM) system is a passive, optical solution for increasing the flexibility and capacity of existing fiber lines in high-speed networks. By adding more channels onto available fibers, the WDM System enables greater versatility for data communications in ring, point-to-point, and multi-point topologies for both enterprise and metro applications. Do you know about WDM system? 5 concepts provided in this blog may help you easily get it. Optical Transmission Optical transmission is the conversion of a digital stream of information to light pulses. The light pulses are generated by a laser source (LED or vessel) and transmitted over an optical fiber. The receiver converts the light pulses back to digital information. Wavelength Division Multiplexing WDM is based on the fact that optical fibers can carry more than one wavelength at the same time. The lasers are transmitting the light pulses at different wavelengths that are combined via filters to one sin...

With the introduction of 400G optical modules, the interconnection of data centers is also gradually developing towards 800G Ethernet. The recent OFC 2020 conference in San Diego focused on 800G Ethernet, 800G technology and fiber jumpers for 800G networks, making 800G Ethernet another hot spot after 400G networks. However, 800G Ethernet is still being tested and perfected, and its large-scale deployment is still a long way off. 800G Ethernet and Optical module  standard Compared with 200G and 400G Ethernet, 800G Ethernet is a brand new technology. At present, several working groups have proposed specifications for 800G Ethernet. These specifications will be described in detail below. 1. The 800GBase-R will revert to 400G Ethernet technology for maximum cost savings Currently, the IEEE (Institute of Electrical and Electronics Engineers) does not have a standard for 800G Ethernet, but the 25G Ethernet Alliance (now known as the Ethernet Technology Alliance (ETC)) established the 800...

  According to the latest market research report, the  Big Data Transmission  Market of Indonesia is expected to experience significant growth by the year 2024. This positive growth forecast is due to several factors, including the increasing adoption of big data solutions and the growing number of companies that are implementing big data strategies to bolster their business processes.   One of the biggest drivers behind the growth of the  Big Data Transmission  Market of Indonesia is the country's rapidly expanding digital economy. As more businesses move online and more consumers embrace digital channels for shopping, communication, and entertainment, the volume of data produced in Indonesia is growing at an unprecedented rate. This trend is creating a massive demand for effective data transmission solutions that can securely and efficiently transfer large amounts of data.   Another factor contributing to the growth of the Big Data Transmission Marke...

  The coherent optical communication system modulates the signal to the optical carrier by modulating the amplitude, phase and frequency of the signal in the way of external light modulation (such as DP-QPSK) at the sending end. Compared with the traditional direct detection system, coherent detection can obtain more signal information through the beat frequency of signal light and local vibration. After the signal arrives at the receiving end, by means of high-speed digital signal processing (DSP) technology, through front-end processing such as equalization, it enters the optical mixer and the optical signal generated by the local oscillator for coherent mixing, so as to realize signal reconstruction and distortion compensation. Coherent optics is available for both 100G and 400G applications , primarily because it enables service providers to send more data over existing optical fibers, reducing the cost and complexity of network upgrades for bandwidth expansion. Main advantages...