Patents by Inventor Roland Tessier

Roland Tessier 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).

  • Quantum cascade laser
    Patent number: 10811846
    Abstract: The invention relates to a quantum cascade laser (300) comprising a gain region (102) inserted between two optical confinement layers (1041, 1042), said gain region (102) having an electron input into the gain region (102) and an electron output from said gain region (102) characterized in that said laser comprises a hole-blocking area (304) on the side of said electron output.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 20, 2020
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE MONTPELLIER
    Inventors: Roland Tessier, Alexei Baranov
  • Quantum Cascade Laser
    Publication number: 20190115728
    Abstract: The invention relates to a quantum cascade laser (300) comprising a gain region (102) inserted between two optical confinement layers (1041, 1042), said gain region (102) having an electron input into the gain region (102) and an electron output from said gain region (102) characterized in that said laser comprises a hole-blocking area (304) on the side of said electron output.
    Type: Application
    Filed: March 2, 2017
    Publication date: April 18, 2019
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE MONTPELLIER
    Inventors: Roland Tessier, Alexei Baranov