Sökning: "Photonic integrated circuit"

Visar resultat 6 - 10 av 13 avhandlingar innehållade orden Photonic integrated circuit.

  1. 6. Investigation of New Concepts and Solutions for Silicon Nanophotonics

    Författare :Zhechao Wang; Lech Wosinski; Kresten Yvind; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Planar integrated circuit; silicon photonics; slot waveguide; finite-difference time-domain; waveguide grating coupler; ring resonator; polarization diversity scheme; polarization beam splitter; polarization rotator; hybrid silicon laser; epitaxial lateral overgrowth; chemical-mechanical polishing.; Optics; Optik;

    Sammanfattning : Nowadays, silicon photonics is a widely studied research topic. Its high-index-contrast and compatibility with the complementary metal-oxide-semiconductor technology make it a promising platform for low cost high density integration. LÄS MER

  3. 7. Epitaxial III-V/Si heterojunctions for photonic devices

    Författare :Giriprasanth Omanakuttan; Sebastian Lourdudoss; Yanting Sun; Harri Lipsanen; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; epitaxy; heterojunction; III-V on Si integration; solar cell; Fysik; Physics;

    Sammanfattning : Monolithic integration of III-V materials on silicon is of great interest for efficient electronic-photonic integrated devices and multijunction solar cells on silicon. However, defect formation in the heteroepitaxial layers due to lattice mismatch, thermal mismatch, and polarity mismatch makes it a great challenge. LÄS MER

  4. 8. VCSEL Equivalent Circuits and Silicon Photonics Integration

    Författare :Alexander Grabowski; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; vertical-cavity surface-emitting laser; light source integration; equivalent circuit; silicon photonics; sensing; optical interconnects;

    Sammanfattning : The vertical-cavity surface-emitting laser (VCSEL) is a light source of great importance for numerous industrial and consumer products. The main application areas are datacom and sensing. LÄS MER

  5. 9. Design and Numerical Modelling of Nanoplasmonic Structures at Near-Infrared for Telecom Applications

    Författare :Seyed Morteza Ebadi; Jonas Örtegren; Max Yan; Magnus Hummelgård; Carl Hägglund; Mittuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Surface plasmon polaritons SPPs ; resonators; photonic integrated circuits PICs ; wavelength filtering devices; MIM waveguides.; ytplasmon-polaritoner SPPs ; resonatorer; fotoniska integrerade kretsar PIC- enheter ; våglängdsfiltreringsenheter; MIM-vågledare.;

    Sammanfattning : Industrial innovation is mostly driven by miniaturization. As a result of remarkable technological advancements in the fields of equipment, materials and production processes, transistor, the fundamental active component in conventional electronics, has shrunk in size. LÄS MER

  7. 10. Periodic structures and lumped elements in microwave passives

    Författare :Dan Kuylenstierna; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Passive elements; Lumped elements; Photonic bandgap; Metamaterial; MMIC; Electromagnetic bandgap; Ferroelectric; Quadrature hybrid; Quadrature power splitter; Balun; Periodic structures;

    Sammanfattning : The ambition of this work is the incorporation of ferroelectric varactors as tuneable elements in Si integrated circuits (ICs). This thesis presents partialfulfillments of the work. LÄS MER