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

By C-LIGHT Marketing 丨 Jul 8, 2026

Extinction ratio measures the ratio between the optical power of the high and low signal states, making it an important optical transmitter performance parameter.

What Is DML?

By C-LIGHT Marketing 丨 Jul 7, 2026

DML (Directly Modulated Laser) is a laser source that carries data by directly varying the laser drive current, offering a simple and efficient solution for short- and medium-reach optical communication.

How 10,000+ GPU Clusters Are Reshaping Hyperscale AI Data Centers

By C-LIGHT Marketing 丨 Jul 6, 2026

Accelerate AI infrastructure with C-LIGHT's high-speed optical transceivers, DAC, AEC, and AOC solutions for hyperscale GPU clusters, AI data centers, 800G, 1.6T networking, AI Fabric, and HPC.

What Is Optical Modulation?

By C-LIGHT Marketing 丨 Jul 5, 2026

Optical modulation encodes electrical data onto an optical carrier by changing its intensity, phase, frequency, or polarization for fiber optic transmission.

What Is Eye Diagram?

By C-LIGHT Marketing 丨 Jul 4, 2026

An eye diagram is a graphical tool used to evaluate signal quality, timing, noise, jitter, and distortion in high-speed electrical and optical communication systems.

What Is Jitter?

By C-LIGHT Marketing 丨 Jul 3, 2026

Jitter is the unwanted variation in signal timing that can reduce the sampling margin and affect BER in high-speed electrical and optical communication systems.

What Is Crosstalk?

By C-LIGHT Marketing 丨 Jul 2, 2026

Crosstalk is unwanted interference between neighboring signal channels that can distort high-speed electrical or optical signals and affect link performance.

How Does PAM4 Work?

By C-LIGHT Marketing 丨 Jul 1, 2026

PAM4, PAM4 signaling, Pulse Amplitude Modulation 4, PAM4 vs NRZ, PAM4 optical transceiver, PAM4 modulation, 400G PAM4, 800G PAM4, 1.6T PAM4, PAM4 FEC

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