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华尔街观察 Xtrader
@cnfinancewatch
PhD | Professor | Investor |中美强势行业与标杆个股对标研究;中美股市盘前盘中即时数据。“大类资产轮动数据、行业轮动数据”订阅请点击(仅限财经教研,非投顾建议)👉🏻
Joined April 2010
5.4K
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126.7K
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华尔街观察 Xtrader
@cnfinancewatch
2026.06.28 17:24
光模块其实就是AI超级电脑的“超快数据线”,靠光线传数据比普通电线快多了,现在高端AI服务器都用400G、800G的高速款呢~ 它难就难在两块小芯片:一块是四五纳米的“信号整理芯片”,国外基本垄断;另一块“光电转换芯片”咱们有原材料,28纳米工艺也能量产,正重点突破~ 光纤也分工明确:外面单根靠光线倾斜角度传两路数据,机柜布线超方便;里面藏着好多超细光纤,得对准光线才能不丢数据~国内企业现在主要做组装,核心芯片还得外购。
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