Essays about: "grating couplers"

Found 5 essays containing the words grating couplers.

  1. 1. Characterization of Silicon Waveguides For Non-Dispersive Infrared Gas Sensors

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Sarah Zayouna; [2020]
    Keywords : ;

    Abstract : Carbon dioxide is an important gas for life on Earth. But as human activities have been expanding throughout modern history, the CO2 concentration in the atmosphere is increasing. High concentrations of carbon dioxide can lead to various consequences, such as climate change and poor air quality both indoors and outdoors. READ MORE

  3. 2. Automatic Measurement Setup for new Optical FPGA:s

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Tommy Lundberg; Daniel Nee; [2019]
    Keywords : silicon photonics; grating couplers; automatic testing; optical fibers;

    Abstract : Aiming to reduce research and development times in the field of silicon photonics, this paper presents a method for automatized device testing. Focus lies on automatic optical coupling between the grating couplers on a chip and optical fibers and efficient switching between devices when performing laboratory tests on silicon photonic chips. READ MORE

  4. 3. Automatic Measurement Setup for Characterization of On-Chip Tunable Grating Couplers

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Kristian Wahlqvist; Felix Caesar; [2017]
    Keywords : ;

    Abstract : Grating couplers are used for coupling betweenoptical fibers and on-chip silicon photonics waveguides. Efficientfiber-to-chip coupling is elemental in in the development ofphotonics, making the process of evaluating new grating couplerdesigns vital. READ MORE

  5. 4. Integration of III-V light sources for silicon photonics applications

    University essay from Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Author : Louise Laurenius; [2016]
    Keywords : III-V integration; multiquantum well lasers; lateral current injection; silicon photonics; Technology and Engineering;

    Abstract : During the last decades, there have been tremendous improvements in Silicon-based transistor technologies such as operational speed increase as well as size and cost reduction. However, the bandwidth in modern processors is significantly limited by the data transfer in the metallic interconnects. READ MORE

  6. 5. Characterization of High-K Double Slot Grating Couplers for on-chip Interconnects

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Raül Colomer Molines; [2012]
    Keywords : ;

    Abstract : In this project, optical waveguides are analyzed with the intention of explain the principles of confine and guide light by using materials with a specific refractive index. The waveguide fabrication process in a silicon wafer is review as for the different type of devices or waveguides. READ MORE