Optical Communication Knowledge Center | Optical Transceiver Technology Guide丨C-LIGHT

What is CWDM in Optical Fiber Communication?

By C-LIGHT Marketing 丨 Dec 15, 2025

CWDM stands for Coarse Wavelength Division Multiplexing. It is an optical technology that multiplexes multiple optical signals of different wavelengths onto a single fiber for transmission.

What is Passive CWDM?

By C-LIGHT Marketing 丨 Dec 1, 2025

Passive CWDM is a technology that allows multiple different data signals to be sent simultaneously over a single optical fiber by using different colors (wavelengths) of light.

OpenAI and Foxconn Form Strategic Partnership

By C-LIGHT Marketing 丨 Nov 24, 2025

On November 21, 2025, OpenAI, a leader in the field of artificial intelligence, announced a strategic partnership with Foxconn, the world's largest electronics manufacturing services provider.

What is the BIDI SFP module Why choose to use BiDi SFP

By C-LIGHT Marketing 丨 Oct 9, 2024

What is the BIDI SFP module Why choose to use BiDi SFP

What are the components of a data center

By C-LIGHT Marketing 丨 Sep 10, 2024

In this article, we will delve into the various components of the data center and reveal their functions and roles to help you better understand how the data center works.

What is a digital video SDI interface? SDI Video SFP Transceiver Types

By C-LIGHT Marketing 丨 Dec 13, 2018

SDI Video SFP optical module is different from other types of optical modules in the market. It is dedicated to high-definition SDI optical transceivers, which eliminates the phenomenon of no splash screen or black screen during high-definition image transmission.

What is the CWDM transceiver & What are the CWDM transceiver package types

By C-LIGHT Marketing 丨 Oct 24, 2018

What is the CWDM transceiver? The CWDM transceiver is an optical transceiver that uses CWDM technology to implement the connection between the existing network device and the CWDM mux/demux.

What is CSFP and what are the advantages of CSFP compared to ordinary SFP?

By C-LIGHT Marketing 丨 Sep 14, 2018

CSFP (compact SFP), as its name suggests, is a more integrated SFP optical module. Comparing to normal SFP, our CSFP is housing in a MSA standard package

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