光学共封装（CPO）真的来了？台积电首批样品即将交付

半导体芯知2025-11-17

正如笔者前几天所提及的，随着AI数据中心对带宽和能效需求的持续爆发，传统铜线互连架构逐渐遇到物理瓶颈。为此，光学共封装（CPO, Co-Packaged Optics）技术成为下一代高性能计算和高速互连的核心解决方案。根据最新相关报道，台积电（TSMC）已开发出首批 CPO 样片，并预计将在年内交付到NVIDIA（英伟达）和Broadcom（博通）。这些样片支持每条光纤高达1.6T（...

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TSMC's first samples will be delivered soon","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"03145":0.6,"TSM":1.5,"NVDA":0.9},"content_text":"正如笔者前几天所提及的，随着AI数据中心对带宽和能效需求的持续爆发，传统铜线互连架构逐渐遇到物理瓶颈。为此，光学共封装（CPO, Co-Packaged Optics） 技术成为下一代高性能计算和高速互连的核心解决方案。根据最新相关报道，台积电（TSMC）已开发出首批 CPO 样片，并预计将在年内交付到NVIDIA（英伟达）和Broadcom（博通）。这些样片支持每条光纤高达1.6T（Terabits-per-second）的传输速率，可直接应用于新一代 AI 数据中心，实现芯片间光互连的高速通信。业内预计，这批 1.6T光模块最早将于 2026 年开始出货。（1）CPO 技术为何成为 AI 数据中心新宠？CPO（Co-Packaged Optics，光学共封装）的核心理念，是将光模块直接与主芯片共封装，使电-光信号转换在毫米级距离内完成，从而最大化带宽利用率，同时显著降低功耗和信号延迟。这一设计彻底突破了传统铜线互连在高带宽、高密度应用中的物理限制，使芯片间通信速度和能效实现同步提升。相比传统的分离式封装，CPO在数据传输密度、能效比和系统可靠性方面均有显著优势，尤其适合用于AI模型训练平台、高性能交换机和下一代数据中心的核心计算节点。TSMC的硅光子技术与先进封装方案的结合，使得CPO模块能够在晶圆级实现高密度集成，同时保持良好的批量复制性和一致性。这意味着，不仅单个芯片的性能大幅提升，整个数据中心在规模化部署时也能获得稳定可靠的光互连方案。值得注意的是，晶圆级的光电集成还能有效降低布线复杂度，简化散热管理，同时为大规模并行计算提供可扩展的解决方案。未来，随着CPO技术不断成熟，其在 AI 数据中心、云计算服务器和高速互联网络中的应用将更加广泛，有望成为下一代高性能计算的标准方案，为算力升级和能效优化提供核心支撑。（2）行业意义与展望CPO技术的价值不仅体现在技术层面，更直接影响整个高性能计算生态。对于AI推理和训练负载持续攀升的数据中心而言，CPO可突破铜线互连的速度与能效瓶颈，实现芯片间光互连的质的飞跃。若这批1.6T光模块当真在2026年开始量产，AI数据中心将进入“光速时代”，算力密度、能效比和整体性能都将获得显著提升。此外，TSMC的硅光子技术结合先进封装方案，也将推动光通信、交换机、高性能服务器等相关产业的发展。有业内分析师认为，随着CPO技术逐步成熟并进入量产阶段，它有望成为下一代数据中心的标准方案，不仅提升算力和能效，还将推动全球 AI 计算能力的升级，为云计算、大模型训练和高性能计算应用带来全新机遇。","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"productRelease","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":1,"commentSize":0,"repostSize":1,"favoriteSize":1,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":false,"tenantId":"TBCN","deviceId":"web-server-community-laohu8-v3","version":"4.36.2","shortVersion":"4.36.2","platform":"web","vendor":"web","appName":"laohu8","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2584675878","isCrawlerRequest":true}