Tag Archives: WDM

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

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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

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What is Wavelength Division Multiplexing Technology?

Wavelength division multiplexing (WDM) technology is an optical communication technology using frequency division multiplexing of optical domain to achieve simultaneous transmission on a single fiber channel optical signal. Wave-division multiplexing standard has large system capacity, high utilization of fiber optic … Continue reading

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