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Browsing by Subject "Ljósfræði"

Browsing by Subject "Ljósfræði"

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  • Tapia Rodriguez, Lucy E.; Walker, Paul M.; Sigurdsson, Helgi; Royall, Ben; Farrer, Ian; Ritchie, David A.; Yulin, Alexey V.; Shelykh, Ivan; Skolnick, Maurice S.; Krizhanovskii, Dmitry N. (The Optical Society, 2019-04-03)
    Using a sub-millimeter exciton-polariton waveguide suitable for integrated photonics, we experimentally demonstrate nonlinear modulation of pico-Joule pulses at the same time as amplification sufficient to compensate the system losses. By comparison ...
  • Sultan, Muhammad Taha; Maraloiu, Adrian Valentin; Stavarache, Ionel; Gudmundsson, Jón Tómas; Manolescu, Andrei; Teodorescu, Valentin Serban; Ciurea, Magdalena Lidia; Svavarsson, Halldór Gudfinnur (Beilstein Institut, 2019-09-17)
    Multilayer structures comprising of SiO2/SiGe/SiO2 and containing SiGe nanoparticles were obtained by depositing SiO2 layers using reactive direct current magnetron sputtering (dcMS), whereas, Si and Ge were co-sputtered using dcMS and high-power impulse ...
  • Nosikov, Igor; Klimenko, Maxim; Zhbankov, Gennady; Podlesnyi, Aleksey; Ivanova, Vera; Bessarab, Pavel (IEEE, 2019-09-09)
    A variant of the direct optimization method for point-to-point ionospheric ray tracing is presented. The method is well suited for applications where the launch direction of the radio wave ray is unknown, but the position of the receiver is specified ...
  • Sultan, Muhammad Taha (2019-11-27)
    Growth of self-assembled quantum dots is of great interest due to their potential quantum confinement effect and numerous applications in optoelectronics and nano-sized structures. Semiconducting Si, Ge and SiGe nanocrystals (NCs), embedded in a ...
  • Chestnov, I Y; Kavokin, A V; Yulin, A V (IOP Publishing, 2019-11-01)
    The phase and the frequency of an exciton polariton condensate excited by a nonresonant pump can be efficiently manipulated by an external coherent light. Being tuned close to the resonance with the condensate eigenfrequency, the external laser light ...
  • Dini, Kevin Tanguy Elian (University of Iceland, School of Engineering and Natural Sciences, Faculty of Physical Sciences, 2018)
    Light matter coupling is a eld that has rapidly grown in the past decades to become one of the most important interdisciplinary research subject. It combines the phenomena of condensed matter and quantum optics and brings a new panel of unique e ects. ...
  • Abdullah, Nzar Rauf; Tang, Chi-Shung; Manolescu, Andrei; Gudmundsson, Vidar (Springer Science and Business Media LLC, 2019-10-11)
    Transport properties of a quantum dot coupled to a photon cavity are investigated using a quantum master equation in the steady-state regime. In the off-resonance regime, when the photon energy is smaller than the energy spacing between the lowest ...
  • Johnston, Karl; Schell, Juliana; Correia, J G; Deicher, M; Gunnlaugsson, Haraldur; Fenta, A S; David-Bosne, E; Costa, A R G; Lupascu, Doru C (IOP Publishing, 2017-08-23)
    Solid state physics (SSP) research at ISOLDE has been running since the mid-1970s and accounts for about 10%–15% of the overall physics programme. ISOLDE is the world flagship for the on-line production of exotic radioactive isotopes, with high yields, ...