Patents by Inventor Rongshen Miao

Rongshen Miao 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).

  • Tunable Laser With High Thermal Wavelength Tuning Efficiency
    Publication number: 20140321488
    Abstract: A monolithically integrated thermal tunable laser comprising a layered substrate comprising an upper surface and a lower surface, and a thermal tuning assembly comprising a heating element positioned on the upper surface, a waveguide layer positioned between the upper surface and the lower surface, and a thermal insulation layer positioned between the waveguide layer and the lower surface, wherein the thermal insulation layer is at least partially etched out of an Indium Phosphide (InP) sacrificial layer, and wherein the thermal insulation layer is positioned between Indium Gallium Arsenide (InGaAs) etch stop layers.
    Type: Application
    Filed: April 30, 2014
    Publication date: October 30, 2014
    Applicant: Futurewei Technologies, Inc.
    Inventors: Hongmin Chen, Xuejin Yan, Rongshen Miao, Xiao Shen, Zongrong Liu