Dense Wavelength Division Multiplexing (DWDM) is a technology used in optical networks to increase the capacity of existing fiber optic cables. It works by combining multiple optical signals into a single fiber, allowing for more data to be transmitted over a single connection. DWDM is used in a variety of applications, including long-distance telecommunications, data centers, and cloud computing. It is also used in metropolitan area networks (MANs) to increase the capacity of existing fiber optic cables. DWDM technology is becoming increasingly important as the demand for data continues to grow. It is a cost-effective way to increase the capacity of existing fiber optic cables, allowing for more data to be transmitted over a single connection. Some companies in the DWDM market include Ciena, Infinera, Huawei, Nokia, and ZTE. Show Less Read more
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