Patents by Inventor Huixian Wen

Huixian Wen 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).

  • Publication number: 20240162682
    Abstract: An external cavity tunable laser includes a gain median module to generate a broadband optical spectrum covering a predetermined wavelength range; a collimate lens turning a diverging beam into a collimated beam; a pair of etalons to tune frequency; an actuator to adjust an external cavity optical pathlength; a bandpass filter to block one or more frequencies outside the predetermined wavelength range; a beam splitter to split a percentage of the beam to a photodetector; a reflection mirror for feedback to gain median waveguide; an isolator for preventing reflecting light back to the external cavity; and a hermetically sealed housing less than 0.15 cubic centimeters.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 16, 2024
    Inventors: Zhigang Zhou, Kevin Boyd, Guang-Hua Duan, Min Huang, Zhenming Xie, Rihao Li, Qiang Liu, Huixian Wen, Jianguo Wang