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AI data centers do not just need more electricity. They also need to waste less power moving enormous amounts of data. In this video, I break down why AI data centers are becoming data-movement machines—and why fiber optics, photonics, optical engines, transceivers, and co-packaged optics may become increasingly important as AI clusters scale. We will cover: • Why GPUs create massive east-west traffic inside AI data centers • The meaning of power-per-bit • The basic difference between copper and fiber optics • Why power, heat, bandwidth, and rack density are becoming connected problems • Where GLW, ANET, AVGO, COHR, LITE, and POET fit inside the AI optics stack • The bull case, the risk case, and how I would organize the watchlist This is a teaching and watchlist video—not a recommendation to buy any particular stock. My general approach remains: Established companies first. Speculative positions small. Discipline over hype. Which part of the AI optics stack are you watching most closely? GLW and the fiber backbone? ANET and AVGO in AI networking? COHR and LITE in optical components? Or a much smaller speculative position in POET? Subscribe to Practical Income Investing for practical investing education, company breakdowns, income strategies, and balanced discussions of both opportunity and risk. Visit Practical Income Investing: https://practicalincomeinvesting.com CHAPTERS 0:00 AI’s Next Power Problem 2:07 Disclaimer 2:23 Why AI Data Centers Are Different 4:43 Copper vs. Light 6:32 The Real Bottleneck: Power, Heat, Bandwidth 9:03 GLW: The Fiber Backbone 10:47 ANET + AVGO: The AI Networking Fabric 13:05 COHR + LITE: The Optical Component Layer 15:05 POET: The Speculative Photonics Platform 17:11 The Bull Case and the Risk Case 19:00 My Action Plan 22:30 AI Optics Watchlist Snapshot 22:35 POET Speculative Spotlight OFFICIAL COMPANY SOURCES Corning and Meta multiyear agreement: https://www.corning.com/optical-communications/emea/en/home/news-and-events/news-releases/2026/01/corning-and-meta-collaborate.html Corning Q1 2026 results: https://investor.corning.com/news-and-events/news/news-details/2026/Corning-Announces-Strong-First-Quarter-2026-Financial-Results-1/default.aspx Arista Q1 2026 results and XPO information: https://investors.arista.com/Communications/Press-Releases-and-Events/Press-Release-Detail/2026/Arista-Networks-Inc--Reports-First-Quarter-2026-Financial-Results/default.aspx Broadcom Bailly co-packaged-optics platform: https://investors.broadcom.com/news-releases/news-release-details/broadcom-delivers-industrys-first-512-tbps-co-packaged-optics Coherent datacom transceivers: https://www.coherent.com/networking/transceivers/datacom Lumentum datacom transceivers: https://www.lumentum.com/en/products/data-center/datacom-transceivers POET and Lumilens platform and purchase order: https://www.poet-technologies.com/news/poet-technologies-and-lumilens-advance-wafer-level-photonic-integration-for-next-generation-ai-optical-networks POET Infinity 800G production order: https://www.poet-technologies.com/news/poet-technologies-receives-5-million-production-order-for-800g-optical-engines POET and Lumentum technology relationship: https://investor.lumentum.com/financial-news-releases/news-details/2022/POET-Technologies-to-Use-Lumentums-High-Speed-DMLsfor-its-400G800G1-6T-Data-Center-Solutions/default.aspx POET purchase-order update: https://www.poet-technologies.com/news/poet-technologies-provides-purchase-order-update DISCLAIMER This video is for educational and entertainment purposes only. It is not financial, investment, tax, or legal advice. I am not a financial adviser. Investing involves risk, including the possible loss of principal. Always conduct your own research and consider consulting a qualified professional before making investment decisions. #AIInfrastructure #FiberOptics #Investing