Patents by Inventor Juyou Du

Juyou Du 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).

  • Polarization-dependent loss compensator
    Patent number: 9323001
    Abstract: In an embodiment, a polarization-dependent loss (PDL) compensator includes a substrate, an anti-reflective coating, and a partial reflective coating. The substrate has an input surface and an output surface opposite the input surface. The anti-reflective coating is formed on the output surface. The partial reflective coating is formed on the input surface. The PDL compensator may include PDL that depends on an incident angle of an optical signal with respect to the partial reflective coating.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: April 26, 2016
    Assignee: FINISAR CORPORATION
    Inventors: Juyou Du, Haifeng Ji, Fan Chen, Weilong Cui, Li Zhang
  • POLARIZATION-DEPENDENT LOSS COMPENSATOR
    Publication number: 20150205048
    Abstract: In an embodiment, a polarization-dependent loss (PDL) compensator includes a substrate, an anti-reflective coating, and a partial reflective coating. The substrate has an input surface and an output surface opposite the input surface. The anti-reflective coating is formed on the output surface. The partial reflective coating is formed on the input surface. The PDL compensator may include PDL that depends on an incident angle of an optical signal with respect to the partial reflective coating.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 23, 2015
    Applicant: FINISAR CORPORATION
    Inventors: Juyou Du, Haifeng Ji, Fan Chen, Weilong Cui, Li Zhang