Search for dissertations about: "Gallium Arsenide"

Showing result 1 - 5 of 32 swedish dissertations containing the words Gallium Arsenide.

  2. 1. Gallium arsenide micromechanics

    Author : Klas Hjort; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : .... READ MORE

  4. 2. Ensemble and Individual III-V Semiconductor Nanopillars: Optical Properties and Applications

    Author : Reza Sanatinia; Anand Srinivasan; Andrea Fiore; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanopillar; nanowires; nanophotonics; nanofabrication; III-V semiconductors; photovoltaics; second-harmonic generation; top-down approach; colloidal lithography; antireflection; modal dispersion; polarization; nanowaveguide; indium phosphide; gallium arsenide; gallium phosphide; Physics; Fysik;

    Abstract : Optical properties of semiconductor nanowires (NWs)/nanopillars (NPs), as individual or ensemble, have attracted significant research interest in recent years. Their potential applications range from solid-state lighting, photovoltaics, lasing and nonlinear optics to sensing and life sciences. READ MORE

  5. 3. Flip chip for high frequency applications : materials aspects

    Author : Katarina Boustedt; Dag Stranneby; Rao Tummala; Örebro universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Flip chip; underfill; bumping; microwave; gallium arsenide; high frequency; thermocompression; soldering; stud bumps; coplanar waveguide; Electrical engineering; electronics and photonics; Elektroteknik; elektronik och fotonik; Elektronik; Electronics;

    Abstract : Flip chip has since decades been the primary choice for chip interconnect for high performance circuits. Over the last few years, interest from the microwave arena has increased, and at this point in time microwave flip chip is a possible option for volume production. READ MORE

  6. 4. Modelling of Terahertz Planar Schottky Diodes

    Author : Aik-Yean Tang; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; S-parameter extraction; Electro-thermal; Schottky diodes; Skin effect; Electromagnetic; Frequency multipliers; High-power frequency multiplier; Current crowding; Proximity effect; Submillimetre wave generation and detection; Geometric modelling; Gallium Arsenide;

    Abstract : This thesis deals with the modelling of THz planar Schottky diodes, focusing on analyses of the geometry- dependent parasitics and the diode chip thermal management. Moving towards higher operating frequencies, the electromagnetic couplings pose significant limitations on the diode performance. READ MORE

  7. 5. Micro-Optical Elements in Gallium Arsenide and Diamond: Fabrication and Applications

    Author : Mikael Karlsson; James R. Leger; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Materialvetenskap; Materials science; Teknisk materialvetenskap; Materialvetenskap; Materials Science;

    Abstract : This thesis mainly treats the fabrication and applications of micro-optical elements in the semiconductor materials gallium arsenide (GaAs) and diamond.The recent trend in high-capacity data transfer using light as the information carrier creates new demands on the optoelectronic systems, such as small size, low cost and the integration of many components. READ MORE