What Is Near-Packaged Optics? How It Cuts AI Data Center Power
Автор: The Data Center Engineer
Загружено: 2026-03-17
Просмотров: 20
Описание:
Near-packaged optics (NPO) is emerging as a key solution to reduce interconnect power in AI data centers. In this interview, LightSpeed Photonics explains how it works and why it matters.
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As AI and high-performance computing workloads scale, interconnect power is becoming a major constraint in modern data centers. Traditional pluggable optics require long electrical paths, increasing signal loss and power consumption.
Near-packaged optics (NPO) moves optical engines closer to the compute ASIC, reducing power per bit, improving bandwidth density, and minimizing DSP overhead.
In this interview, we cover:
What near-packaged optics (NPO) is
The “shoreline problem” in chip design
Why pluggable optics consume so much power
NPO vs co-packaged optics (CPO)
The future of AI data center interconnects
00:00 Introduction
01:09 What is near-packaged optics (NPO)?
02:20 The shoreline problem explained
04:42 Why pluggable optics use so much power
08:22 NPO vs CPO (co-packaged optics)
12:24 AI cluster and system impact
17:36 Future of data center interconnects
20:00 Power breakdown and scaling challenges
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