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Co-Packaged Optics (CPO): Redefining Optical Interconnects for AI Data Centers

Summary by DEV Community
As artificial intelligence (AI), high-performance computing (HPC), and cloud services continue to scale, data center networks are under unprecedented pressure. Global data traffic is growing at close to a 30% compound annual rate, and nearly 75% of that traffic remains within the data center itself. This rapid growth is pushing traditional optical interconnect architectures toward both physical and economic limits. To address these challenges, t…

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ETRI Develops 200Gbps Per Channel Photodetector, Localizing Core Components for AI Data Centers The Korea Electronics and Telecommunications Research Institute (ETRI) has developed a photodetector device capable of processing gigabit-per-second optical signals (200Gbps per channel). This enables the response to the surging demand for AI data centers and next-generation communication infrastructure.

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DEV Community broke the news in on Wednesday, March 18, 2026.
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