Patents by Inventor Stefano CAPRIATA

Stefano CAPRIATA 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).

  • Activation of an optical network unit in a multi-wavelength passive optical network
    Patent number: 10187154
    Abstract: It is disclosed a optical transmitter for an optical network unit of a multi-wavelength passive optical network comprising an optical line termination and a number of further optical network units for transmitting upstream signals to said optical line termination on multiple upstream channels. The optical transmitter is configured to generate and transmit an optical activation signal carrying activation information to be transmitted to said optical line termination on an upstream channel, the activation signal having an optical power lower than the optical power of each one of said upstream signals. The optical transmitter comprises an optical source, a first electric source configured to modulate the optical source with a first electric signal carrying the activation information; and a second electric source configured to directly modulate the optical source with a second electric signal so as to produce a frequency chirp on the optical activation signal.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: January 22, 2019
    Assignees: TELECOM ITALIA S.p.A., POLITENCNICO DI TORINO
    Inventors: Stefano Capriata, Roberto Gaudino, Valter Ferrero, Maurizio Valvo
  • ACTIVATION OF AN OPTICAL NETWORK UNIT IN A MULTI-WAVELENGTH PASSIVE OPTICAL NETWORK
    Publication number: 20180183525
    Abstract: It is disclosed a optical transmitter for an optical network unit of a multi-wavelength passive optical network comprising an optical line termination and a number of further optical network units for transmitting upstream signals to said optical line termination on multiple upstream channels. The optical transmitter is configured to generate and transmit an optical activation signal carrying activation information to be transmitted to said optical line termination on an upstream channel, the activation signal having an optical power lower than the optical power of each one of said upstream signals. The optical transmitter comprises an optical source, a first electric source configured to modulate the optical source with a first electric signal carrying the activation information; and a second electric source configured to directly modulate the optical source with a second electric signal so as to produce a frequency chirp on the optical activation signal.
    Type: Application
    Filed: June 30, 2015
    Publication date: June 28, 2018
    Applicants: TELECOM ITALIA S.p.A., POLITECNICO DI TORINO
    Inventors: Stefano CAPRIATA, Roberto GAUDINO, Valter FERRERO, Maurizio VALVO