Category Archives: CWDM & DWDM Solutions

Passive CWDM vs DWDM: What’s the Difference?

FacebookLinkedInTwitterRedditGoogle+Share

WDM (Wavelength Division Multiplexing) is a commonly used technology in optical communications. It is often deployed to join multiple wavelengths onto a single fiber. In the WDM system, there are two main types: Coarse Wavelength Division Multiplexing (CWDM) and Dense Wavelength Division Multiplexing (DWDM). … Continue reading

Posted in CWDM & DWDM Solutions | Tagged , , | Comments Off on Passive CWDM vs DWDM: What’s the Difference?

Understanding Ports on CWDM MUX/DEMUX

WDM (Wavelength Division Multiplexing) is a commonly used technology in optical communications. CWDM and DWDM MUX/DEMUX are two important components in WDM systems, which are often deployed to join multiple wavelengths onto a single fiber. There are some ports on CWDM and DWDM MUX/DEMUX like … Continue reading

Posted in CWDM & DWDM Solutions | Tagged , , | Comments Off on Understanding Ports on CWDM MUX/DEMUX

How to Build a Passive DWDM Network?

DWDM technology has been regarded as an ideal solution for long haul optical transmissions. Usually the common passive system is CWDM but not DWDM. However, passive DWDM network also can offer perfect performance in some cases. This post focuses on … Continue reading

Posted in CWDM & DWDM Solutions, How to | Tagged , | Comments Off on How to Build a Passive DWDM Network?

How to Place EDFA for DWDM Distance Extension?

Erbium doped fiber amplifier (EDFA) is the latest state-of-the-art solution for amplifying optical signals in optical transmission systems. It has become a key enabling technology and the dominant amplification device deployed in optical networks. Together with DWDM technology, EDFA has … Continue reading

Posted in CWDM & DWDM Solutions, How to, Optical Fiber Amplifiers | Tagged , , , , | Comments Off on How to Place EDFA for DWDM Distance Extension?

DWDM Topology Design: How to Make it Right?

Network expansion spurs the demand for faster data transmission and higher capacity over the network. In this case, DWDM emerges as a cost-effective solution to handle these issues, working efficiently to combine multiple wavelengths together and sent them over one … Continue reading

Posted in CWDM & DWDM Solutions, DWDM, Fiber Optic Network | Tagged , , , | Comments Off on DWDM Topology Design: How to Make it Right?

CWDM Network: Technology Overview and Common Applications

Fiber exhaust is an inevitable problem constantly faced by carriers since the demand for higher speed bandwidth never ceases. The ever-improving wavelength division multiplexing (WDM) technology nowadays is increasingly used to boost network capacity, enabling carriers to deliver more services … Continue reading

Posted in CWDM & DWDM Solutions, Fiber Optic Network | Tagged , , , | Comments Off on CWDM Network: Technology Overview and Common Applications

Implementing Passive CWDM to Upgrade Access PONs

Coarse Wavelength Division Multiplexing (CWDM) has proven itself to be a preferred approach to elevate the bandwidth of optical access networks, offering quicker and simpler installation and lower overall cost. Passive CWDM, which requires no electrical power at all, is … Continue reading

Posted in CWDM & DWDM Solutions, PON, WDM | Tagged , , , , | Comments Off on Implementing Passive CWDM to Upgrade Access PONs

Hybrid CWDM-DWDM System Boosts Your Network Capacity

Should I choose a medium capacity but more cost-effective CWDM solution, or to adopt the cost-prohibitive DWDM approach with comparably enhanced capacity? This is a problem that consistently faced by WDM technology users. The wrong decision, however, may inevitably lead … Continue reading

Posted in CWDM, CWDM & DWDM Solutions, DWDM, WDM system | Tagged , , , | Comments Off on Hybrid CWDM-DWDM System Boosts Your Network Capacity

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

Posted in CWDM & DWDM Solutions, WDM system | Tagged , , , | Comments Off on CWDM and DWDM for Metro Networks: How to Make it Economical?

Which Option Is Best for You – CWDM or DWDM?

Today’s world witnesses an era of fiber optic cabling for users intensively requiring more bandwidth and faster transmission rates over ever increasingly distance. In the field of telecommunications, data center connectivity and video transport, fiber optic cabling is highly desirable … Continue reading

Posted in CWDM & DWDM Solutions | Tagged , , , | Comments Off on Which Option Is Best for You – CWDM or DWDM?