Patents by Inventor R. Brian Jander

R. Brian Jander 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 fiber transmission system with noise loading
    Patent number: 7881611
    Abstract: A system and method for loading unutilized channels of a WDM system with noise to improve system performance. A transmitter amplifier may impart noise to unutilized channels by reducing amplifier input or providing feedback of the amplifier output. Noise signals may also be looped back to the transmitter from received signals.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: February 1, 2011
    Assignee: Tyco Electronics Subsea Communications LLC
    Inventors: Georg H. Mohs, Stuart M. Abbott, Franklin W. Kerfoot, III, R. Brian Jander, Morten Nissov
  • Optical Fiber Transmission System with Noise Loading
    Publication number: 20090214214
    Abstract: A system and method for loading unutilized channels of a WDM system with noise to improve system performance. A transmitter amplifier may impart noise to unutilized channels by reducing amplifier input or providing feedback of the amplifier output. Noise signals may also be looped back to the transmitter from received signals.
    Type: Application
    Filed: March 17, 2009
    Publication date: August 27, 2009
    Applicant: Tyco Telecommunications (US) Inc.
    Inventors: Georg H. Mohs, Stuart M. Abbott, Franklin W. Kerfoot, III, R. Brian Jander, Morten Nissov
  • Optical fiber transmission system with noise loading
    Patent number: 7526201
    Abstract: A system and method for loading unutilized channels of a WDM system with noise to improve system performance. A transmitter amplifier may impart noise to unutilized channels by reducing amplifier input or providing feedback of the amplifier output. Noise signals may also be looped back to the transmitter from received signals.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: April 28, 2009
    Assignee: Tyco Telecommunications (US) Inc.
    Inventors: Georg H. Mohs, Stuart M. Abbott, Franklin W. Kerfoot, III, R. Brian Jander, Morten Nissov
  • Methods and apparatus for polarization control
    Patent number: 7154670
    Abstract: Methods and apparatus of performing polarization control for optical transmissions. The methods and apparatus enable polarization control devices to achieve a desired output state of polarization regardless of the input state of polarization. The desired state of polarization can be achieved by rotating waveplates in a polarization controller in a sequential fashion. Each waveplate may be continually adjusted or dithered so long as the feedback signal satisfies a feedback condition. Once the feedback signal exceeds the feedback condition, the next waveplate in the polarization controller is adjusted. This enables the methods and apparatus to rapidly adjust the state of polarization away from dead spots and minimize loss control problems.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: December 26, 2006
    Assignee: Tyco Telecommunications (US) Inc.
    Inventors: Hongbin Zhang, Li Liu, R. Brian Jander, Alexei N. Pilipetskii
  • Apparatus for forming a WDM signal having orthogonally polarized optical channels
    Patent number: 7120330
    Abstract: Embodiments of an apparatus for forming a WDM signal having orthogonally polarized optical channels are disclosed. Utilizing the optical channels formed using non-polarization-maintaining components, the apparatus selectively controls a state of polarization (SOP) of each optical channel.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: October 10, 2006
    Assignee: Tyco Telecommunications (US) Inc.
    Inventors: R. Brian Jander, Hongbin Zhang, Thomas R. Lawrence
  • Optical fiber transmission system with noise loading
    Publication number: 20050286905
    Abstract: A system and method for loading unutilized channels of a WDM system with noise to improve system performance. A transmitter amplifier may impart noise to unutilized channels by reducing amplifier input or providing feedback of the amplifier output. Noise signals may also be looped back to the transmitter from received signals.
    Type: Application
    Filed: June 25, 2004
    Publication date: December 29, 2005
    Inventors: Georg Mohs, Stuart Abbott, Franklin Kerfoot, R. Brian Jander, Morten Nissov
  • Apparatus for forming a WDM signal having orthogonally polarized optical channels
    Patent number: 6975790
    Abstract: Embodiments of an apparatus for forming a WDM signal having orthogonally polarized optical channels are disclosed. Utilizing the optical channels formed using non-polarization-maintaining components, the apparatus selectively controls a state of polarization (SOP) of each optical channel.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: December 13, 2005
    Assignee: Tyco Telecommunications (US) Inc.
    Inventors: R. Brian Jander, Hongbin Zhang, Thomas R. Lawrence
  • Wavelength monitoring and control system
    Publication number: 20040264981
    Abstract: A wavelength monitor and control system and method for a WDM optical transmission system is disclosed. The system comprises a heterodyne-based detection device with a real-time externally calibrated tunable laser.
    Type: Application
    Filed: June 22, 2004
    Publication date: December 30, 2004
    Applicant: Tyco Telecommunications (US) Inc.
    Inventors: Hongbin Zhang, R. Brian Jander