Connecting chips, boards and racks with light through glass fibre, instead of electricity through copper cable.
光互连
| Move变动 | Where it appeared出现位置 | What it means这句话在说什么 |
|---|---|---|
| $115bn | Why a chip designer paid $115 billion for a laser maker 光互连 · 第 7 张术语卡 | AI clusters have grown to the point where copper cannot carry a signal far enough at the required speed. That is what makes a laser company worth $115 billion to a chip designer. 光互连每往下沉一层（跨机房 → 机柜之间 → 机柜内部 → 芯片之间），市场就大一圈，难度也高一档。这也是这笔交易被读成「电＋光」合并的原因：DSP 决定信号怎么整形，激光器决定信号怎么发出，两端必须一起调，分开做就永远差半个身位。 |