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

By C-LIGHT Marketing 丨 Oct 6, 2026

AOC cables bridge the gap between copper DAC and discrete optical modules. Learn when to use active optical cables for 3-100m links, how AOC compares to DAC, AEC, and optics, and how reach evolves at 400G, 800G, and 1.6T.

When to Use DAC Cables

By C-LIGHT Marketing 丨 Oct 5, 2026

DAC cables remain the lowest-cost, lowest-latency interconnect for short-reach data center links. Learn when passive or active DAC beats AOC, AEC, and optics, and how reach shrinks at 400G, 800G, and 1.6T.

Why 1.6T Uses PAM4

By C-LIGHT Marketing 丨 Oct 4, 2026

PAM4 enables 1.6T Ethernet by doubling bits per symbol versus NRZ. Explore the modulation trade-offs, SNR challenges, DSP role, and why PAM4 remains the standard for 1.6T optical interconnects.

Why CPO Matters for AI Data Centers

By C-LIGHT Marketing 丨 Oct 3, 2026

CPO brings optical engines closer to switch ASICs to improve bandwidth density and power efficiency in AI data centers. Compare CPO with pluggable optics, LPO, and NPO.

How AI Workloads Are Driving Optical Networking

By C-LIGHT Marketing 丨 Oct 2, 2026

AI training and inference are increasing demand for optical networking, from 400G and 800G transceivers to 1.6T connectivity, silicon photonics, and co-packaged optics.

Why Copper Interconnects Are Challenged by AI Scaling

By C-LIGHT Marketing 丨 Oct 1, 2026

AI scaling challenges copper interconnects through signal loss, shorter reach, cable density, and power demands. Compare DAC, ACC, AEC, and optical links for 400G, 800G, and 1.6T networks.

How Optical Transceivers Support AI GPU Clusters

By C-LIGHT Marketing 丨 Sep 30, 2026

Optical transceivers connect AI GPU clusters through high-bandwidth fiber links. Compare 400G, 800G, and 1.6T optics, InfiniBand, RoCE Ethernet, reach options, and power requirements.

How to Choose an Optical Transceiver

By C-LIGHT Marketing 丨 Sep 29, 2026

Choose the right optical transceiver by matching data rate, transmission distance, fiber type, wavelength, connector, form factor, optical budget, and host compatibility.

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