Sökning: "unstable-resonator lasers"

Hittade 4 avhandlingar innehållade orden unstable-resonator lasers.

  1. 1. Grating-Coupled Surface-Emitting Lasers -- Circular and Unstable-Resonator Geometries

    Författare :Sigurgeir Kristjánsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; laser beam focusing; grating coupled surface emitters; simulation; unstable resonator lasers; surface-emitting lasers; integrated optics; gratings; circular gratings; BPM simulations; laser resonators; semiconductor lasers; optical planar waveguide couplers; electron beam lithography;

    Sammanfattning : This thesis deals with research in the field of grating-coupled surface-emitting lasers. The emphasis has been to study the modal behavior of lasers with two different resonator geometries: circular resonators and tapered unstable-resonators. LÄS MER

  3. 2. Semiconductor lasers for photonic integration

    Författare :Peter Modh; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; surface-emitting lasers; semiconductor lasers; laser resonators; integrated optics; deep-etched DBR; unstable resonator;

    Sammanfattning : .... LÄS MER

  4. 3. Grating Based Lasers for Photonic Integration and Surface Emission

    Författare :Peter Modh; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; integrated optics; surface-emitting lasers; laser resonators; optical planar waveguide couplers; unstable-resonator lasers; semiconductor lasers;

    Sammanfattning : This thesis deals with the fabrication and characterization of grating-based integration-compatible semiconductor lasers. Waveguide gratings provide feedback for the laser resonators, and are used to diffract the laser output out of the waveguide for surface-emission. LÄS MER

  5. 4. Grating-Coupled Surface-Emitters --- Highly Directional Outcouplers and Spatially Coherent Lasers

    Författare :Niklas Eriksson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : This thesis deals with grating-coupled surface-emitting semiconductor lasers. The work is part of a larger effort that aims at developing semiconductor lasers with built-in beam-forming elements, which eliminate the need for external micro-optics. LÄS MER