Why China’s optical communications sector is the latest AI boom beneficiary
SCMP Tech / 4/24/2026
💬 OpinionSignals & Early TrendsIndustry & Market Moves
Key Points
- The article argues that China’s optical communications sector is emerging as a key “beneficiary” of the AI boom, despite global attention largely focusing on GPUs and memory chips.
- Optical modules are positioned as critical enabling hardware for ultra-fast data-center communications, linking directly to the infrastructure demands created by AI workloads.
- It highlights strong stock performance among Chinese optical module makers, including Shenzhen-listed Zhongji Innolight, whose shares reportedly surged about tenfold over the past year.
- The piece frames optical-module companies as industrial “upstarts” creating a new investment class tied to expanding data-center networking needs rather than core AI model developers.
Amid the artificial intelligence boom, the world has been laser-focused on technologies like graphics processing units and memory chips. However, a quieter miracle has been unfolding in the mainland stock market.
Optical modules, which allow ultra-fast communications in data centres, have minted a new class of industrial upstarts.
In the past year, shares in Shenzhen-listed Zhongji Innolight, the world’s largest optical module producer, jumped tenfold. Smaller peers Eoptolink Technology and...
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