AAOI Stock: The 800G Capacity Ramp Against the Dilution Bill Applied Optoelectronics (NASDAQ: AAOI) is one of the very few American companies that can make an optical transceiver and the laser chip inside it under the same roof. In an AI buildout where the biggest bottleneck has quietly moved from GPUs to the optics that…
Read more
AXT (AXTI): The Indium Phosphide Bottleneck Behind AI Optics Every few quarters the AI buildout finds a new component it cannot get enough of. In 2024 it was high bandwidth memory. In 2025 it was advanced packaging. In 2026 the constraint moved somewhere far less visible: the crystal wafer that high speed laser chips are…
Read more
Tower Semiconductor (TSEM): Inside the Silicon Photonics Bet 1. Introduction For most of its history, Tower Semiconductor was a company investors filed under “specialty analog foundry” and then stopped thinking about. It made image sensors, power management chips, and radio frequency components in older fabs nobody would confuse with a leading-edge logic megafab. In 2022…
Read more