Patents by Inventor Shuging Ma

Shuging Ma 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).

  • Method and apparatus for a polarization beam splitter/combiner with an integrated optical isolator
    Patent number: 6628461
    Abstract: An integrated optical polarization beam splitter/combiner and isolator (IPBC) is disclosed. In one disclosed aspect, the IPBC may comprise a first birefringent crystal optically configured to receive two rays incident at an angle, a rotator configured to rotate the rays received, and a second birefringent crystal positioned to receive the rays from the rotator. The IPBC may be configured to combine the rays in a forward direction, and isolate said two rays in a reverse direction.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: September 30, 2003
    Assignee: Finisar Corporation
    Inventors: Yonglin Huang, Shuging Ma, Meng Ma
  • Method and apparatus for a polarization beam splitter/combiner with an integrated optical isolator
    Publication number: 20020089745
    Abstract: An integrated optical polarization beam splitter/combiner and isolator (IPBC) is disclosed. In one disclosed aspect, the IPBC may comprise a first birefringent crystal optically configured to receive two rays incident at an angle, a rotator configured to rotate the rays received, and a second birefringent crystal positioned to receive the rays from the rotator. The IPBC may be configured to combine the rays in a forward direction, and isolate said two rays in a reverse direction.
    Type: Application
    Filed: July 5, 2001
    Publication date: July 11, 2002
    Inventors: Yonglin Huang, Shuging Ma, Meng Ma