English original: Nvidia’s $4 Billion Secret: Why Photonics Is the Next AI Gold Rush /posts/nvidia-photonics-ai-gold-rush/ 40억달러라는 신호 2026년 3월 2일, 엔비디아는 조금 이상한 행동을 했다. 새 GPU를 발표한 것도, AI 스타트업을 인수한 것도 아니다. 대신 광학(optics) 기업 두 곳에 총 40억달러를 투자했다. Lumentum에 20억달러 Coherent에 20억달러 두 회사는 칩을 만들지 않는다. 모델을 학습시키지도 않는다. 그들이 만드는 건 한 가지다. 빛으로 데이터를 옮기는 부품(광학 컴포넌트). “왜 AI 왕국의 핵심 기업이 레이저에 돈을 넣지?” ...
The $4 Billion Signal On March 2, 2026, Nvidia did something unusual. It didn’t announce a new GPU. It didn’t acquire an AI startup. Instead, it invested $4 billion in two optics companies: $2 billion in Lumentum $2 billion in Coherent Neither company makes chips. Neither trains AI models. They make one thing: optical components that move data with light. Why would the world’s most valuable AI company spend $4B on… lasers? ...
The Crossing Point 📊 In 2025, something quietly historic happened in the United States: construction spending on data centers surpassed general office building construction. This wasn’t headline news. But it should have been. It marks a fundamental shift in how civilization allocates capital, space, and resources. We’re not just building digital infrastructure—we’re building it instead of physical infrastructure. The skyline is changing. Office towers give way to server farms. ...