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What is Dense Wavelength Division Multiplexing
Mar 08 , 2022
The so-called dense is relative to the interval between two adjacent wavelengths. In the past, the wavelength interval of the wavelength division multiplexing system was several tens of nanometers. Now the wavelength interval is only 02 to 1.2 nm. The spectrum allocation is shown in Figure 2-1. DWDM technology is actually a specific form of wavelength division multiplexing. Generally, the waveleng...
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The reason why wdm network is so popular
Aug 17 , 2022
With the adjustment and improvement of various traffic routes, the distance between everyone is also farther and farther. Voice, video and data networks are becoming more complex as the demand for more bandwidth and faster transfer rates increases. To meet these demands, network administrators rely more on fiber optics. Many suppliers, corporate companies and government entities are turning to fib...
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WDM passive wavelength division 5G fronthaul solution
Sep 27 , 2022
The 5G fronthaul passive WDM system is mainly used to solve the problem of long-distance optical fiber between DU-AAU and lack of transmission optical fiber resources in the C-RAN architecture. The optical module replaces the original gray optical module on the wireless device, thereby providing business optical signals of different wavelengths. The passive wavelength division multiplexers on both...
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What are the performance indicators that affect the WDM wavelength division multiplexer?
Nov 15 , 2022
The technology of simultaneously transmitting information of two or more optical wavelength signals through different optical channels in the same fiber is called wavelength division multiplexing (WDM). WDM (Wavelength Division Multiplexing) is to combine two or more optical carrier signals of different wavelengths (carrying various information) at the transmitting end through a multiplexer, and c...
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Explanation of relevant knowledge points of WDM network
Dec 27 , 2022
A WDM network is a network that deploys optical WDM fiber links, where each link carries multiple wavelength channels. WDM, an acronym for Wavelength Division Multiplexing, is a technology that multiplexes multiple signals on a single optical fiber by using optical carriers of different wavelengths using lasers or LEDs. There is a multiplexer and a demultiplexer at each end of the WDM. A multiplex...
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Five WDM wavelength division multiplexing technologies for optical modules
Jan 04 , 2023
WDM wavelength division multiplexing technology is the preferred solution for 5G fronthaul network. According to different wavelengths, it can be divided into DWDM dense wavelength division multiplexing, CWDM coarse wavelength division multiplexing, FWDM filter wavelength division multiplexing, and MWDM medium wavelength division multiplexing. And LWDM fine wavelength division multiplexing. Among ...
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What is the difference between WDM and OTN?
Feb 17 , 2023
WDM and OTN are two different communication technologies, the differences are as follows: WDM (Wavelength Division Multiplexing): WDM is an optical transmission technology that uses optical signals of different wavelengths to multiplex multiple data streams on one optical fiber to increase the transmission capacity of the optical fiber. WDM technology combines optical signals of different waveleng...
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WDM solutions will play an increasingly important role in future fiber optic networks
Mar 01 , 2023
Wavelength Division Multiplexing (WDM) is a technology used in fiber optic networks to increase the bandwidth capacity of the network by allowing multiple wavelengths of light to be transmitted on a single fiber. This technology is commonly used in long-distance transmission systems, data centers and metropolitan area networks. A popular type of WDM solution is coarse wavelength division multiplex...
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