Patents by Inventor Jan Mietzner

Jan Mietzner 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).

  • Compensation system for adaptive equalization of an optical signal
    Patent number: 6856724
    Abstract: A compensation system for adaptive equalization of an optical signal, wherein an optical filter, whose complex coefficients are adjustable, is used for signal equalization. The quality of the optical signal is used, after conversion to an electrical data signal, as a control criterion. The compensation device can largely compensate for distortion produced by dispersion, polarization mode dispersion or self phase modulation. An optical compensation filter with a wide free spectral range is used to compensate for the wavelength-dependent dispersion in a wavelength-division multiplexed system. The setting of the filter may be fixed, or may be adjusted adaptively in a closed control loop.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: February 15, 2005
    Assignee: Siemens Aktiengesellschaft
    Inventors: Marc Bohn, Georg Mohs, Sven Otte, Christian Scheerer, Christoph Glingener, Jan Mietzner, Werner Rosenkranz
  • Compensation system for adaptive equalization of an optical signal
    Publication number: 20030103723
    Abstract: A compensation system for adaptive equalization of an optical signal, wherein an optical filter, whose complex coefficients are adjustable, is used for signal equalization. The quality of the optical signal is used, after conversion to an electrical data signal, as a control criterion. The compensation device can largely compensate for distortion produced by dispersion, polarization mode dispersion or self phase modulation. An optical compensation filter with a wide free spectral range is used to compensate for the wavelength-dependent dispersion in a wavelength-division multiplexed system. The setting of the filter may be fixed, or may be adjusted adaptively in a closed control loop.
    Type: Application
    Filed: September 25, 2002
    Publication date: June 5, 2003
    Inventors: Marc Bohn, Georg Mohs, Sven Otte, Christian Scheerer, Christoph Glingener, Jan Mietzner, Werner Rosenkranz