Understanding the Full 400G Optical Module Suite & Their Use Cases
The 400G module ecosystem provides many form factors, reach categories, and breakout options to handle a wide variety of network requirements. For customers, selecting the right
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optical module speed guide: 1G to 400G selection in practice
This optical module speed guide helps data center and campus engineers map 1G, 10G, 25G, 40G, 100G, 200G, and 400G optics to real hardware constraints: form factor, wavelength,
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Which 400G Optical Module Should Choose?
Welcome to discuss this further! Selecting a 400G optical module requires considering factors such as network architecture, power consumption budget, and future evolution.
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400G Optical Modules 2026 Guide: DR4 vs. FR4 vs. LR8 Lab
400G optical modules are high-speed transceivers using PAM4 modulation and multi-lane architectures to enable ultra-high bandwidth connectivity. They are essential for AI clusters,
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400G QSFP-DD Module Types: SR8 vs DR4 vs FR4 vs LR4 Guide
Compare 400G QSFP-DD module types: SR8, DR4, FR4, LR4, and ZR. Learn specifications, fiber requirements, distances, and which 400G transceiver fits your application.
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400G QSFP-DD: Optimizing DR4, FR4, and LR4 for Hyperscale
400G QSFP-DD DR4, FR4, or LR4? Expert analysis on choosing the right architecture. Improve signal integrity, power efficiency, and cabling topology today.
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400G Optical Modules Explained: SR4 Vs. DR4 Vs. FR4 Vs. LR4
Key differences between SR4, DR4, FR4, and LR4 400G optical modules. Expert advice from Asterfusion engineers to optimize your data center network.
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400G OSFP/QSFP-DD/QSFP112 Module Introduction and Selection Guide
This article explores the technical characteristics, product lineup, and use cases of 400G OSFP/QSFP-DD/QSFP112 modules to choose the most suitable 400G solution for your data centers.
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Understanding the Full 400G Optical Module Suite
The 400G module ecosystem provides many form factors, reach categories, and breakout options to handle a wide variety of network
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The Ultimate Guide to SFP Modules (2026): Types, Speeds
Confused by SFP vs SFP+? Read the definitive 2026 guide on SFP modules. We explain Single Mode vs Multimode, DDM diagnostics, and how to choose the right transceiver for Cisco, Juniper, and more.
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400G Optical Modules: Complete FAQ Guide for Deployment
Svelol offers a comprehensive portfolio of high-quality, reliable 400G optical modules, including various QSFP-DD types. We provide solutions tailored for data center and telecom
View moreLaser Diodes & VCSEL
High-power CW/pulsed laser diodes (808nm–1550nm) and VCSEL arrays for 3D sensing, LIDAR, and optical interconnects.
Silicon Photonics & CPO
Co-packaged optics engines, silicon photonics ICs, and optical I/O solutions for high-density switches and AI clusters.
Optical Transceivers & AOCs
400G/800G QSFP-DD/OSFP modules, active optical cables, and custom optical engines for data center interconnects.
Laser Drivers & CDR
Low-jitter laser drivers, integrated CDR circuits, and linear TIAs for coherent optics and short-reach links.