Patents by Inventor Qianhuan YU

Qianhuan YU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • VERTICAL CAVITY SURFACE EMITTING LASER DEVICE WITH AT LEAST ONE BONDING LAYER
    Publication number: 20220416506
    Abstract: In some implementations, a vertical cavity surface emitting laser (VCSEL) device includes a substrate; a first mirror disposed over the substrate; a bonding layer disposed over the first mirror; and an active region disposed over the bonding layer. The substrate is a gallium arsenide (GaAs) substrate, and the active region is an indium phosphide (InP)-based active region.
    Type: Application
    Filed: September 29, 2021
    Publication date: December 29, 2022
    Inventors: Qianhuan YU, Ajit Vijay BARVE