Patents Represented by Attorney Ogilvy Renaults LLP

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  • Tunable optical device for dynamic chromatic dispersion and polarization mode dispersion compensation
    Patent number: 6928199
    Abstract: The present invention provides a controllable double cladding guiding structure for tunable phase delay, dynamic chromatic dispersion and polarization mode dispersion compensation. The device includes an etched fiber, an electro-optic material with index of refraction changing with externally applied stimulus (electric, magnetic or thermal effect) and a fiber Bragg grating (uniform, apodized, linearly or non-linearly chirped).
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: August 9, 2005
    Assignee: Photintech Inc.
    Inventors: Tigran Galstian, Armen Zohrabyan, Dany Dumont, Amir Tork, Rouslan Birabassov