2025年3月26日
今月初め、SemtechとKeysightは、リニアプラガブルオプティクス（LPO）の概念と技術に焦点を当てたウェビナーを開催しました。この新興のインターコネクト分野に見られる重要な技術的差別化要因と、最先端のシステムインターコネクト性能のニーズを満たすために、電気/光学の相互運用性とテストのニーズにどのように対処しているかをレビューしました。
LPO technology has several advantages in the field of lower power consumption and reduced signaling latency, which makes it an ideal and unique interconnect solution for AI, machine learning and hyperscaler datacenter applications. The current generation of linear specifications originates from the Optical Interconnect Forums (OIF) CEI-112G-LINEAR-PAM4 (800Gbps) specifications. The OIF has recently advanced this to a draft 224G version of the same linear interface, which is targeted for the 1.6Tbps interconnect field.
Typically, up until now all Intensity Modulation/Direct Detection (IM-DD) client optics at 100 Gb/s speeds and higher have been implemented with power hungry DSP re-timers. Implementing new systems using analog-only LPO modules within existing form factors offers substantial power advantages, along with reduced latency, lower complexity, and cost-effective modules—delivering significant cost and power savings for hyperscalers.
Semtech has led the charge on new standards for LPO modules, including the Optical Internetworking Forum’s (OIF) CEI-112G-Linear and CEI-212G-Linear Implementation Agreements and an industry based LPO-MSA specification for 100G single-mode optical modules.
To watch the full webinar on demand, please click here.
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