Patents by Inventor Dhanorm PLUMWONGROT

Dhanorm PLUMWONGROT 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).

  • Patent number: 10923875
    Abstract: An optical device may include a package having a first port for receiving signal light, a source for providing pump light, a combiner for combining the signal light and the pump light into combined light, a second port for sending the combined light, a third port for receiving amplified light, and a free-space optical system for filtering amplified signal light from the amplified light, and a fourth port for sending the amplified signal light. The free-space optical system may include beam shaping optics that enlarge a beam size of the amplified light prior to the filtering.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: February 16, 2021
    Assignee: Lumentum Operations LLC
    Inventors: Jiamin Zheng, Barrie P. Keyworth, Paul Colbourne, Dhanorm Plumwongrot, Gareth Jones, Sheldon McLaughlin
  • Publication number: 20190245316
    Abstract: An optical device may include a package having a first port for receiving signal light, a source for providing pump light, a combiner for combining the signal light and the pump light into combined light, a second port for sending the combined light, a third port for receiving amplified light, and a free-space optical system for filtering amplified signal light from the amplified light, and a fourth port for sending the amplified signal light. The free-space optical system may include beam shaping optics that enlarge a beam size of the amplified light prior to the filtering.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 8, 2019
    Inventors: Jiamin ZHENG, Barrie P. KEYWORTH, Paul COLBOURNE, Dhanorm PLUMWONGROT, Gareth Jones, Sheldon MCLAUGHLIN