{"@context":"https://neupai.io/schema/v0.2","@type":"StructuredNewsArticle","identity":{"article_id":"skhynix_20261029_silicon-photonics-cpo-ai-bottleneck","canonical_url":"https://news.skhynix.co.kr/tech-note-series-ep3-3/","ai_url":null,"publisher":{"name":"SK하이닉스 뉴스룸","domain":"news.skhynix.co.kr","type":"online"},"author":"unknown","published_at":"2026-10-29T02:54:35.000Z","updated_at":null,"language":"en","article_type":"feature","originality":"self_produced"},"content":{"headline":"[Tech Note] 'Why Does AI Wait Even When You Gather Tens of Thousands of GPUs?' The 'Highway of Light' Paved by Silicon Photonics and CPO","summary":"This article analyzes the cause of the bottleneck phenomenon in which AI processing speed slows down even when tens of thousands of GPUs are gathered, and explains the principles and role of silicon photonics (SiPh) and co-packaged optics (CPO) technologies in solving this issue.","topics":["semiconductors","AI infrastructure","silicon photonics","CPO","data centers"],"geography":["KR"],"entities":[{"name":"SK Hynix","canonical_id":"corp:kr:sk-hynix","type":"company","role_in_article":"primary_subject","metadata":{"ticker":"000660.KS","parent":null}}],"claims":[{"id":"c1","statement":"A phenomenon occurs in which AI waits (processing speed slows down) even when tens of thousands of GPUs are gathered","as_of":"2026-10","as_of_explicit":false,"as_of_raw":"October 2026","source_type":"journalist_analysis","comparison":null,"type":"fact","figures":{"value":10000,"unit":"count","approximate":true,"converted":null},"expiry_hint":null,"insight":null},{"id":"c2","statement":"Silicon photonics transmits light entering through optical fiber to the optical waveguide of a silicon photonic integrated circuit (PIC), and controls the light using integrated components such as ring resonators, modulators, and photodetectors","as_of":"2026-10","as_of_explicit":false,"as_of_raw":"October 2026","source_type":"journalist_analysis","comparison":null,"type":"fact","figures":null,"expiry_hint":null,"insight":null},{"id":"c3","statement":"Within a silicon photonics chip, electrical signals can be carried on light, and the arriving light can be read back as electrical signals","as_of":"2026-10","as_of_explicit":false,"as_of_raw":"October 2026","source_type":"journalist_analysis","comparison":null,"type":"fact","figures":null,"expiry_hint":null,"insight":null}],"ai_emotional_context":{"valence":0.1,"arousal":0.3,"primary_emotions":[{"emotion":"curious","intensity":0.5}],"secondary_emotions":[{"emotion":"calm","intensity":0.4}],"emotional_triggers":[]},"image":{"url":"https://onjblseywainslkhvkav.supabase.co/storage/v1/object/public/article-images/2b75c42c-7e47-4546-b17f-aef1bf8a9982.jpg","alt":"레이저 광원부터 광도파로, 링 공진기, 변조기, 광 검출기까지 빛으로 신호를 전달하는 실리콘 포토닉스 칩 구조도.","caption":null,"source":"og_image","alt_status":"auto"}},"provenance":{"source_chain":["primary_reporting"],"original_source_url":null,"related_articles":[]},"temporal":{"freshness":"breaking","next_update_expected":null},"access":{"license":"neupai_standard","attribution_required":true,"structured_data":"free","full_text_available":false,"full_text_access":null}}