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What are PAM4 and NRZ?
2026-04-23
PAM4 and NRZ are two mainstream digital signal modulation technologies in optical communication and high-speed data transmission. Their fundamental differences lie in the number of signal le...
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Which 400G Optical Module Should Choose?
2026-04-21
When customers inquire about "400G optical module requirements," are you also confused about the differences between QSFP-DD, OSFP, and QSFP112?Different packages differ significantly in channel ...
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What After-Sales Services Are Available For Optical Modules?
2026-04-14
Explore ETU-LINK’s comprehensive after-sales services for optical modules: 24/7 technical support, repair & replacement, software upgrades, training, and customized solutions. Ensur...
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In-Depth Analysis of Fiber Optic Price Fluctuations: New Industry Cycle Driven by Optical Fiber Preforms, Expansion, and Applications
2026-04-09
This article will analyze the logic behind optical fiber price fluctuations from four dimensions: preform supply, optical fiber expansion cycles, changes in application scenarios, and expansion c...
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How to Simplify the Selection of Copper RJ45 SFP Transceiver
2026-04-03
I. Introduction to Copper SFP Modules: The "Seamless Connector" Between Electrical Signals and Optical Networks
In optical communication systems, the Copper-T SFP Transceiver is a special type...
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100G QSFP28 BIDI 80KM ZR4 Optical Module
2026-03-27
Currently, ETU-Link Technology Co., Ltd. has launched a 100G BIDI 80km ZR4 products have been delivered in batches to customers in multiple fields around the world, supporting a sp...
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Business Ripples in the Midst of War--The Impact of War on Communication and Global Economy from Order Adjustment
2026-03-20
Recently, the international situation has undergone dramatic changes. The US-led assassination of Iranian officials has stirred up a ripple effect, like a boulder thrown into a lake, and the shad...
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What is SOA?
2026-03-18
SOA, or Semiconductor Optical Amplifier, shares a similar "core" with commonly used semiconductor lasers in its working principle—both are active waveguide structures. When an optical signa...
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How to Resolve the Problem of Optical Module Getting Stuck in Cage? -- 10G Dual-Fiber Optical Module with Recessed Housing
2026-03-13
For optical modules, the design of the casing not only affects the overall performance of the product but also directly impacts the customer's experience in practical applications. Previously, a ...
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Why Are Used Optical Modules Returning to the Market? — Unveiling the Supply and Demand Logic Behind the Market
2026-03-11
In the optical communication industry, the resale of used optical modules is no secret. Data centers, large enterprises, and operators are all driving this market's activity in various scenarios.
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