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Category Archives: WDM & Optical Access
Passive CWDM vs Active CWDM
Coarse Wavelength Division Multiplexing (CWDM) is an optical multiplexing technology used for increasing the bandwidth of fiber. It works by combining optical signals of different wavelengths on one strand of fiber. Usually, CWDM is able to transport up to 18 … Continue reading
Posted in WDM & Optical Access
Tagged active CWDM, CWDM mux, passive CWDM, WDM
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Time for optimizing your DWDM network with FMT
DWDM technology has been widely applied during these years and will continue to provide the bandwidth for large amounts of data. In fact, the capacity of systems will grow as technologies advance that allow closer spacing, and therefore higher numbers, … Continue reading
Migration From CWDM to DWDM
CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing) have their own advantages and their combination can greatly enhance transmission performance while reducing OPEX and CAPEX spending. Hybrid CWDM/DWDM solution is a flexible and scalable solution which offers … Continue reading
Posted in CWDM DWDM MUX OADM, WDM & Optical Access
Tagged CWDM Mux Demux, DWDM Mux/Demux, hybrid CWDM/DWDM
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PLC Splitters Deployment Strategy—Cascaded or Centralized?
PLC splitters is commonly used fiber optic splitters of fiber optic networks such as FTTx (e.g. FTTH, Fiber to the Home) and PON (Passive Optical Network). In a PON system, the PLC splitter functions to share both cost and bandwidth of the OLT … Continue reading
Posted in Optical Splitters, WDM & Optical Access
Tagged fiber optic splitters, FTTx, PLC splitters, PON
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Application Schemes of WDM Transponder (O-E-O)
The WDM (Wavelength Division Multiplexing) transponders, also called O-E-O (optical-electrical-optical) wavelength converters are widely deployed in a variety of networks and applications nowadays, especially the in WDM networking system. In the previous article “What’s the Difference Between Transceiver & Transponder?“, … Continue reading