Search for dissertations about: "Solitons"

Showing result 21 - 25 of 52 swedish dissertations containing the word Solitons.

  2. 21. Novel Phenomena in Superconductors and Superfluids: Boundary States, Spiral Magnetic Fields, and Solitons

    Author : Albert Samoilenka; Egor Babaev; Max Metlitskii; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Theoretical Physics; Teoretisk fysik;

    Abstract : This PhD thesis presents a comprehensive study of superconducting and superfluid states in a variety of physical systems.The research is based on 12 papers that explore different phenomena in-depth.One of the significant contributions of the thesis is the discovery of boundary states in superconductors. READ MORE

  4. 22. Enabling technologies for high-speed optical fiber transmission

    Author : Mathias Westlund; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; quasi-linear regime; dispersion-managed solitons; Gordon-Haus timing jitter; wavelength conversion; 160 Gbit s transmission; polarization-mode dispersion and third-order dispersion; four-wave mixing; intra-channel cross phase modulation; all-optical sampling; intra-channel four-wave mixing;

    Abstract : .... READ MORE

  5. 23. Solitary waves and enhanced incoherent scatter ion lines

    Author : Jonas Ekeberg; Lars Eliasson; Kristof Stasiewicz; Jan Trulsen; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; plasma waves and instabilities; nonlinear phenomena; solitons and solitary waves; ionosphere; Sun: corona; incoherent scatter radar; MHD; plasmavågor och instabiliteter; ickelinjära fenomen; solitoner och solitära vågor; jonosfär; solen: korona; inkoherent spridningsradar; MHD; Geocosmophysics and plasma physics; Geokosmofysik och plasmafysik; Space physics; Rymdfysik; Plasma physics; Plasmafysik; Non-linear dynamics; chaos; Icke-linjär dynamik; kaos; fysik; Physics; rymd- och plasmafysik; Space and Plasma Physics;

    Abstract : This thesis addresses solitary waves and their significance for auroral particle acceleration, coronal heating and incoherent scatter radar spectra. Solitary waves are formed due to a balance of nonlinear and dispersive effects. READ MORE

  6. 24. Nonlinear pulse propagation and saturation gain grating phenomena in optical fiber devices

    Author : Evgeny V. Vanin; KTH; []
    Keywords : ;

    Abstract : Nonlinear effects are known to influence the propagation ofoptical waves in fibers already at modest power levels. Thisprovides us with a unique tool to observe nonlinear phenomenaunder comparatively simple experimental conditions and alsoopens the door to numerous important applications. READ MORE

  7. 25. Polarization-Mode Disperion in Optical Fibers: Characterization, Transmission Impairments, and Compensation

    Author : Henrik Sunnerud; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; optical fibers; polarization mode dispersion PMD ; ultra high bit rates; PMD compensation; measurement of distributed PMD; digital signal transmission;

    Abstract : The topic of this thesis is polarization-mode dispersion (PMD) in optical fibers and its impact on high-speed data transmission. The work can be divided into three parts which deal with the major aspects of PMD: characterization, transmission properties and compensation. READ MORE