Tag Archives: WDM

Introduction to Semiconductor Optical Amplifier (SOA)

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Optical amplifier, with the introduction in 1990s, conquered the regenerator technology and opened doors to the WDM technology. It is mainly used to amplify an optical signal directly, without the need to first convert it to an electrical signal. There … Continue reading

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CWDM and DWDM for Metro Networks: How to Make it Economical?

Fiber exhaust still appears to be a common problem faced by most metro (or metropolitan) networks. Although the cost of fiber optic cable is consistently dropping, the trenching, labor, and other installation costs towards optical fiber stay rather high. This … Continue reading

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How to Use WDM for Fiber Capacity Expansion?

Imagine turning a cottage into a majestic skyscraper without having to deliver any innovation or construction. This is what wavelength division multiplexing (WDM) allows with your existing fiber optic network. The hunger for bandwidth propels service providers to make a … Continue reading

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What Is WDM?

WDM (Wavelength-division Multiplexing) is the technology of combing a number of wavelengths onto the same fiber simultaneously. A powerful aspect of WDM is that each optical channel can carry any transmission format. WDW increases the capacity of a fiber network … Continue reading

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CWDM SFP vs DWDM SFP – Which One Suits You Better?

SFP (Small Form-Factor Pluggable) is designed to meet Multi-Source Agreement (MSA) standards to ensure network equipment compatibility. Recently wavelength-division multiplexing (WDM) technology is warmly welcomed by internet users all around the world. It is a technology that multiplexes a number of … Continue reading

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Things You Need to Know about MUX and DEMUX

The request of unveiling the secrets of MUX and DEMUX recently forces me to give a clearer presentation to those who have great interest in telecommunication field. The following passage will be focused on a brief synopsis to MUX and … Continue reading

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