Application of CWDM Passive Wavelength Division Technology and Types of Optical Modules

With the arrival of big data, cloud computing and 5G communication, and the increasingly fast data transmission speed, people continue to pursue higher definition pictures, videos and picture communication quality, which leads to the rapid growth of bandwidth demand in the data center, and the optical fiber resources using traditional optical fiber transmission media will become increasingly strained.

If the optical fiber is re laid, it will face a series of problems such as tunnel excavation, overhead, pipeline burial, long construction period, and large labor consumption, which will bring a lot of trouble to urban construction. At this time, the first problem to be solved is to select technologies with low cost and high reliability to improve the utilization of optical fiber resources.

In order to solve this problem,wewill introduce a low-cost, flexible CWDM technology to solve the problem of insufficient fiber resources at this stage.

CWDM technology can increase the transmission capacity of old optical fiber by inserting new OTU boards for capacity expansion, improve the utilization of existing optical fiber resources, and achieve larger data transmission tasks without adding new optical fiber and replacing the original equipment when the traffic volume increases.

In addition, because the working wave band of CWDM is 1270~1610nm, and the wavelength interval is 20nm, the wider wavelength can reduce the requirements of the laser on technical indicators, thus reducing the design and development costs of optical modules. With the dual advantages of low cost and large capacity expansion, CWDM is widely used in telecommunications, radio and television, enterprise networks, campus networks, data centers, base stations and other fields.

With the arrival of big data, cloud computing and 5G communication, and the increasingly fast data transmission speed, people continue to pursue higher definition pictures, videos and picture communication quality, which leads to the rapid growth of bandwidth demand in the data center, and the optical fiber resources using traditional optical fiber transmission media will become increasingly strained.

If the optical fiber is re laid, it will face a series of problems such as tunnel excavation, overhead, pipeline burial, long construction period, and large labor consumption, which will bring a lot of trouble to urban construction. At this time, the first problem to be solved is to select technologies with low cost and high reliability to improve the utilization of optical fiber resources.

In order to solve this problem,wewill introduce a low-cost, flexible CWDM technology to solve the problem of insufficient fiber resources at this stage.

CWDM technology can increase the transmission capacity of old optical fiber by inserting new OTU boards for capacity expansion, improve the utilization of existing optical fiber resources, and achieve larger data transmission tasks without adding new optical fiber and replacing the original equipment when the traffic volume increases.

In addition, because the working wave band of CWDM is 1270~1610nm, and the wavelength interval is 20nm, the wider wavelength can reduce the requirements of the laser on technical indicators, thus reducing the design and development costs of optical modules. With the dual advantages of low cost and large capacity expansion, CWDM is widely used in telecommunications, radio and television, enterprise networks, campus networks, data centers, base stations and other fields.

What is CWDM? In short, the optical multiplexer is used at the sending end to combine light of different wavelengths into one fiber for transmission; At the receiving end of the link, the demultiplexer is used to decompose the combined light and send it to different receivers through different optical fibers, so only two optical fibers are needed to transmit multiple signals.

With the arrival of the 5G era, the optical modules developed based on CWDM technology have the advantages of large capacity, saving optical fiber resources, low loss, small size, flexible networking, etc., to meet the huge data transmission needs in the 5G era. Finally, the rapid promotion of 5G network construction will bring huge market opportunities and development opportunities to the optical module market.