US patent US12748337
Photonic devices having a field-effect transistor (FET)
Abstract
Systems and methods are provided for optical devices having a field-effect transistor (FET) for optical tuning. Examples include a device layer formed on a substrate and comprising a first material, and a FET formed on the substrate. The MOSFET comprises a drain formed in the device layer comprising a first doped region, a source formed in the device layer comprising a second doped region, a gate comprising a second material formed on the device layer, and a conductive channel formed in the device layer based on a voltage bias applied to the gate. An optical waveguide is formed between the gate and the conductive channel.