Optical transceiver demand exceeds supply, and 1.6T lifts revenue per module for suppliers able to qualify capacity. Applied Optoelectronics raised at least $1.62B through 2026 ATMs; its last reported monthly capacity was 200,000 modules versus a year-end target above 650,000. Credo expects over $600M in FY2027 revenue across optical DSPs, PICs and modules, not modules alone. Shipments, yields and margins must prove out. Lumentum and Coherent already price in much expected growth. x.com 

Optics and photonics should be among AI's biggest winners as faster GPU networks need optical connections that suppliers cannot expand quickly enough. Lumentum says some components are sold out through early 2029; Sivers is investing $30M to target more than 100M lasers a year, with operations expected in Q4 2027. Potential US restrictions on Chinese transceivers could reshape supply in 2027. Applied Optoelectronics and Sivers are the favorites. x.com  x.com 

Co-packaged optics standards could make finished transceiver modules smaller and more interchangeable as chip designers build optical engines inside their packages. That is another reason to avoid Lumentum, Coherent and Applied Optoelectronics and prefer Soitec. Lumentum and Coherent now earn a lot from finished modules, leaving them exposed if the architecture changes. x.com 

Higher optical-fiber use per GPU could expand demand for Applied Optoelectronics. Corning said fully optical scale-up would raise fiber count from about 16 to 160 per GPU; that 10x case is hypothetical for now, with a mix of technologies likely near term, but it shows the direction of travel. x.com  x.com 

Rising 1.6T switching demand favors optical suppliers, though their execution risks vary. Bank of America says the market could grow ~101% annually through 2030. Marvell's leading DSPs and Lumentum's supply-short 200G EML lasers are lowest risk; Applied Optoelectronics' capacity expansion and Fabrinet's customer concentration make them medium risk. Aeluma remains pre-commercial, while Lightwave Logic's polymer modulators are a high-risk moonshot despite its TSM partnership. x.com 

Applied Optoelectronics keeps promising things it cannot deliver. It is now the second-priority short behind CoreWeave, reversing earlier confidence that Dr. Lin would deliver despite delays. x.com 

Demand for Applied Optoelectronics' transceivers is settled, so it is now a manufacturing story where execution is the only variable. Management says demand runs 20-40% above supply and informally guided about $330M of 800G/1.6T revenue in Q4, implying $480-500M total, about double Q3's guide. It expects to be the fourth qualified 1.6T supplier at a major hyperscaler with a >$200M order, and capacity rises to 650,000 units by end-2026. A Chinese transceiver ban would favor its US-made supply. … Show more

Applied Optoelectronics' possible 2028 revenue makes even a 100% takeover premium too small if it delivers on 2027-28 expectations. Revenue of $6-8B in calendar 2028 at an illustrative 8x multiple would imply about $56B in market value, versus $7B today. That is the upside worth holding out for. x.com 

Applied Optoelectronics, Lumentum and Coherent face share losses at US hyperscalers to Innolight. Channel checks favor Innolight gaining share in Q2 2026, at the expense of those three. Per @poezhao0605, a $7B Hong Kong IPO, the largest in years and upsized from $5B on strong demand, has cleared its listing hearing. x.com 

Applied Optoelectronics is the anchor position in the optical stack, the one name already at scale. FY2025 revenue rose 83% to $456M with $1B+ guided for 2026 on the 800G and 1.6T transceiver ramp, and it is the only optical transceiver company passing the Rule of 40, at 74.6. Its Sugar Land, Texas facility adds domestic capacity from mid-2026. The catch is 82% customer concentration in two customers and an 800%+ run, so it is not the asymmetric bet. x.com