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What are the performance indicators that affect the WDM wavelength division multiplexer?
Sep 26 , 2021
What are the performance indicators that affect the WDM wavelength division multiplexer? 1. Working band The working band of WDM devices, such as 1550 wavelength, is divided into three bands: S band (short wavelength band 1460～1528nm), C band (conventional band 1530～1565nm), L band (long wavelength band 1565～1625nm). 2. Number of channels and channel spacing The number of channels refers to the nu...
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Different types of wavelength division multiplexers
Dec 09 , 2021
Coarse Wavelength Division Multiplexing (CWDM) is a low-cost WDM transmission technology for the access layer of the metropolitan area network. Mainly divided into four types. 1. Coarse wavelength division multiplexer (CWDM for short), currently there are 1*4 channel coarse wavelength division multiplexer, 1*8 channel coarse wavelength division multiplexer, 1*16 coarse wavelength division multiple...
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Function of CWDM filter
Jan 18 , 2022
CWDM filters are designed to multiplex and demultiplex wavelength signals in metro, access and enterprise networks, as well as cable television applications. Additionally, they are often used to provide the wireless backbone for the latest 4G wireless networks (LTE). They are a low-cost approach for systems using uncooled laser sources and an alternative to more expensive DWDM components based on ...
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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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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 are the advantages of multiplexing
Mar 28 , 2023
Multiplexing is a technique used in telecommunications and computer networks that allows the transmission of multiple signals over a single physical medium. It is the process of combining multiple signals into one for transmission over a shared medium. Advantages of multiplexing: 1. Increased efficiency: Bandwidth can be used more efficiently, and multiplexing allows multiple signals to be transmi...
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