Patents by Inventor Bjorn Stolz

Bjorn Stolz 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).

  • Lateral confinement laser
    Patent number: 6075802
    Abstract: In a semiconductor laser comprising a mesa structure (11), the lateral current distribution in the mesa structure (11) is controlled in order to reduce the current at the mesa walls near the active lasing layer (15) by locating, in the mesa structure, a current blocking layer (13) having an aperture (14) of less width than the mesa structure (11) and being centred in relation to the mesa structure (11).
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: June 13, 2000
    Assignee: Telefonaktiebolaget L, Ericsson
    Inventors: Bjorn Stolz, Ulf Ohlander