The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2024
Filed:
Dec. 13, 2017
Forschungsverbund Berlin E.v., Berlin, DE;
Ivano Giuntoni, Berlin, DE;
Lutz Geelhaar, Berlin, DE;
Forschungsverbund Berlin e.V., Berlin, DE;
Abstract
The invention relates to a laser device () comprising a substrate (), on the surface of which an optical waveguide () is arranged, which has an optical resonator () with such a resonator length that at least one resonator mode forms a stationary wave in the resonator (), and an amplification medium that is arranged on a surface of the optical waveguide (), wherein the amplification medium comprises a photonic crystal () having a plurality of column- and/or wall-shaped semiconductor elements () which are arranged periodically on the surface of the optical waveguide () while protruding from the optical waveguide (), and wherein the photonic crystal () is designed to optically interact with the at least one resonator mode of the optical resonator () and to amplify light having a wavelength of the at least one resonator mode of the optical resonator (). The invention also relates to methods for the operation and production of the laser device.