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 

Applied Optoelectronics is a domestic AI data-center bottleneck winner whose results show exponential operating leverage. EPS jumped 186% quarter over quarter and 138% year over year on an 86% revenue surge, as 800G transceiver economics improve with its Texas and Taiwan fabs reaching prime yields. With the US tightening restrictions on Chinese optical supply chains and the FCC banning new Chinese data-center hardware, hyperscalers are flooding it with high-margin orders. x.com 

Applied Optoelectronics' durability beyond the pluggable cycle is in doubt: instead of staying euphoric on pluggable growth, the market is already asking what comes next. It still has a low starting valuation and accelerating fundamentals, but longer-term durability is missing, and the stock failed to bounce hard after a sharp drawdown. x.com 

Applied Optoelectronics' case now hinges on visible production progress. Its drop on OpenAI's revenue run-rate figures reflected an accounting question, not any change in laser or memory supply, per Carrio Research. If AAOI fails again next quarter and pushes its timelines out another quarter, it will be ugly. x.com 

Applied Optoelectronics is the US-built option in 800G datacenter transceivers, where there is almost no domestic supply. It is scaling its line in Sugar Land, Texas, while larger Innolight and Eoptolink build in Asia and Lumentum and Coherent are crowded large caps. It also makes its own lasers, which Goldman flags as the binding shortage through 2027. Revenue rose 86% last quarter, with net cash. Risks: a -12% operating margin, concentrated customers, and whether in-house lasers hold at 1.6T. … Show more

Applied Optoelectronics' future earnings are not guaranteed, so its elevated price is highly susceptible to a drawdown that could create a far better buying opportunity by the end of next year. Capex can be cut, public and political pushback can delay data centers, and new data centers may fail to secure financing, any of which would cut projections. @RatWasteCapital counters that at $90 the stock trades at about 6x fiscal 2028 EPS if a $5.6B run rate holds. x.com  x.com 

Optics could be one of the biggest AI trades of 2027, the next layer of the buildout after memory led 2026. As AI clusters scale and networking moves from 800G to 1.6T and beyond, demand for optical infrastructure should accelerate. Applied Optoelectronics' earnings will set the tone. The watchlist spans optical modules, silicon photonics, AI networking, connectivity and AI fabric, from Lumentum, Coherent and Fabrinet to Marvell, Arista, Broadcom, Corning and Astera Labs. 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, 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 looks set for its next leg as AI data-center transceiver demand outstrips supply. Q2 EPS was $0.06 versus $0.02 expected and revenue rose 86.3% to $191.92M, a fifth straight record. Management guides to about $1.1B of 2026 revenue as a new Texas facility ramps capacity. The stock has formed a rounding bottom since September and is curling back through its 200 EMA; the trigger is $116.90. x.com