Optical Communication Knowledge Center丨C-LIGHT

By C-LIGHT Marketing 丨 Apr 14, 2026

Active Optical Cable (AOC) is a high-speed interconnect cable that integrates opto-electronic conversion engines and control chips within the connectors at both ends.

What is BiDi CWDM?

By C-LIGHT Marketing 丨 Apr 4, 2026

BiDi CWDM is the abbreviation for "Bidirectional Coarse Wavelength Division Multiplexing" technology.

How to Choose Between QSFP+ and QSFP28

By C-LIGHT Marketing 丨 Mar 1, 2026

Selecting the appropriate transceiver form factor depends on several key considerations.

What is CWDM (Coarse Wave Division Multiplexing)?

By C-LIGHT Marketing 丨 Jan 27, 2026

Coarse Wavelength Division Multiplexing (CWDM) is a method of combining at least two signals at different wavelengths for transmission along a single fiber-optic cable.

How to Properly Select a 10G Copper SFP+ Module?

By C-LIGHT Marketing 丨 Jan 19, 2026

In 10-gigabit network deployments, the 10G copper SFP+ module has become a mainstream choice for short-distance transmission due to its cost-effectiveness

What is the difference between QSFP and QSFP28?

By C-LIGHT Marketing 丨 Jan 12, 2026

QSFP and QSFP28 are both transceivers used in data centers and networks, but they differ mainly in speed and intended application.

What is the Relationship Between AI and Optical Modules

By C-LIGHT Marketing 丨 Jan 11, 2026

The relationship between artificial intelligence (AI) and optical modules is one of mutual acceleration and fundamental dependence.

What is a Fiber Trunk Cable?

By C-LIGHT Marketing 丨 Jan 10, 2026

A fiber trunk cable is a high-capacity, pre-terminated fiber optic cable assembly designed to carry multiple data channels simultaneously between key infrastructure points within a network.

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