Patents by Inventor Ruolln Li

Ruolln Li 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).

  • SLOT WAVEGUIDE STRUCTURE FOR WAVELENGTH TUNABLE LASER
    Publication number: 20130182730
    Abstract: Exemplary embodiments provide a wavelength tunable laser device and methods using the wavelength tunable laser device for a laser tuning. An exemplary wavelength tunable laser device can include an active gain element, a slot waveguide structure, and a wavelength tuning structure including heating elements disposed around the grating structure for a wavelength selection.
    Type: Application
    Filed: January 12, 2012
    Publication date: July 18, 2013
    Inventors: Wenjun Fan, Ruolln Li