Sökning: "electron waveguide devices"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden electron waveguide devices.

  1. 1. Silicon-based Photonic Devices Design, Fabrication and Characterization

    Detta är en avhandling från Stockholm : KTH

    Författare :Ziyang Zhang; KTH.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Photonic Devices; Silicon Photonics; Parallel Computation; Nanofabrication; Electron Beam Lithography; Optical Characterisation; NATURAL SCIENCES Physics Other physics Optics; NATURVETENSKAP Fysik Övrig fysik Optik;

    Sammanfattning : The field of Information and Communication Technologies is witnessing a development speed unprecedented in history. Moore’s law proves that the processor speed and memory size are roughly doubling each 18 months, which is expected to continue in the next decade. LÄS MER

  2. 2. Electronic and Photonic Quantum Devices

    Detta är en avhandling från Kista : Mikroelektronik och informationsteknik

    Författare :Erik Forsberg; KTH.; [2003]
    Nyckelord :electron waveguide devices; nanoelectronics; ballistic transport; electroabsorption modulators; Rabi oscillations; quantum measurements;

    Sammanfattning : In this thesis various subjects at the crossroads of quantummechanics and device physics are treated, spanning from afundamental study on quantum measurements to fabricationtechniques of controlling gates for nanoelectroniccomponents.Electron waveguide components, i.e. LÄS MER

  3. 3. Experimental and theoretical investigations of electron-waveguide devices

    Detta är en avhandling från Institutionen för elektronisk systemkonstruktion

    Författare :Jan-Olof Wesström; KTH.; [1998]
    Nyckelord :;

    Sammanfattning : This thesis treats electron-waveguide devices bothexperimentally and theoretically. A fabrication method forelectron-waveguide devices with trench-isolated in plane gateswas developed in the In0.53Ga0.47As/InP material system. LÄS MER

  4. 4. Photonic devices with MQW active material and waveguide gratings modelling and characterisation

    Detta är en avhandling från Stockholm : KTH

    Författare :Nadeem Akram; KTH.; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Method of Lines; Grating; ARROW Waveguide; Semiconductor laser; quantum well; TECHNOLOGY Electrical engineering; electronics and photonics Photonics; TEKNIKVETENSKAP Elektroteknik; elektronik och fotonik Fotonik;

    Sammanfattning : The research work presented in this thesis deals with modelling, design and characterisation of passive and active optical waveguide devices. The rst part of the thesis is related to algorithm development and numerical modelling of planar optical waveguides and gratings using the Method of Lines (MoL). LÄS MER

  5. 5. Electron Tunneling and Field-Effect Devices in mm-Wave Circuits

    Detta är en avhandling från Lund University

    Författare :Mikael Egard; Lund University.; Lunds universitet.; Lund University.; Lunds universitet.; [2012]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; negative differential conductance oscillator; resonant tunneling diode; ultra-wideband; impulse radio; Wavelet generator; MOSFET; nanowire; high frequency characterization; Fysicumarkivet A:2012:Egard;

    Sammanfattning : Short high-frequency electromagnetic pulses, also referred to as wavelets, are considered for use in various short-range impulse based ultra-wideband applications, such as communication, imaging, radar, spectroscopy, and localization. This thesis investigates field-effect and tunneling based semiconductor devices and their operation in millimeter-wave (mm-wave) impulse transceivers. LÄS MER