Patents by Inventor Prem K. Sharma

Prem K. Sharma 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).

  • Optical amplifier
    Patent number: 5554747
    Abstract: An optical amplifier having an amplification medium which comprises a complex of a rare earth ion and a ligand, said complex being dissolved in a polymeric matrix, as well as an optical communications network comprising one or more optical amplifiers of the above-described polymeric type.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 10, 1996
    Assignee: U.S. Philips Corporation
    Inventors: Prem K. Sharma, Arie R. Van Doorn, Aemilianus G. J. Staring
  • Optical amplifier
    Patent number: 5490010
    Abstract: An optical amplifier having an amplification medium which comprises a complex of a rare earth ion and a ligand, said complex being dissolved in a polymeric matrix, as well as an optical communications network comprising one or more optical amplifiers of the above-described polymeric type.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: February 6, 1996
    Assignee: U.S. Philips Corporation
    Inventors: Prem K. Sharma, Arie R. Van Doorn, Aemilianus G. J. Staring