Browsing Conferinţe by Subject "quantum wells"

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  • Birefractive Effects in Quantum Wells 
    DOROGAN, A.; DOROGAN, V.; SYRBU, N.; TIRON, A. (Tehnica UTM, 2015)
    Reflective spectra had been researched in In0.3Ga0.7As quantum layers, modulated by the reflection and transmittance wavelength at P, P (S, S) and 45о, 45о (135о, 135о) light- wave polarizations at an incident angle near ...
  • Blue lasers a key element for new generation of CD and DVD systems 
    TRONCIU, V. Z. (Technical University of Moldova, 2005)
    The theoretical and experimental investigations of the dynamics of blue InGaN quantum well lasers with different designs are reported in this paper. The bifurcations, which are on the origin of the phenomenon of self-pulsation ...
  • Exciton Luminescence in In0.3Ga0.7As/GaAs Quantum Well Heterostructures 
    KAPON, Eli; MEREUŢA, Alexandru; DOROGAN, Andrei; DRAGUTAN, Nicolae; VIERU, Tatiana (Technical University of Moldova, 2011)
    Radiation maxima were observed in photoluminescence spectra of GaAs/ In0.3 Ga0.7As/ GaAs in case of 632.8nm and 532nm He-Ne laser excitation conditioned by the recombination from ground (e1-hh1, e1-lh1) and excited (e2-hh2, ...
  • Influence of Transversal Constant Electric Field on Mobility in Parabolic Quantum Well 
    SINEAVSKII, E. P.; KARAPETYAN, S. A. (Technical University of Moldova, 2009)
    The mobility μ in the electric field E directed perpendicularly to surface of the lowdimensional system with consideration for the interaction of the carriers with the rough surface and longwave acoustic vibrations has ...
  • Interband Optical Transitions in the Region of Excitonic Resonance in In0.3Ga0.7As/GaAs Quantum Wells 
    KAPON, Eli; MEREUŢA, Alexandru; DOROGAN, Andrei; DRAGUTAN, Nicolae; VIERU, Tatiana; SYRBU, Nicolae; ZALAMAI, Victor (Technical University of Moldova, 2011)
    Reflection spectra of In0.3Ga0.7As layers with 8nm thickness with quantum wells limited by GaAs barrier layer with 100nm thickness (bottom) and 9nm (upper) had been measured at S and P polarizations in the interval of ...
  • Large polarons in semiconductor nanostructures 
    DEVREESE, J. T. (Technical University of Moldova, 2005)
    I present an overview is presented of the fundamentals of large-polaron physics, which provide the basis of the analysis of polaron effects in semiconductor nanostructures. The emphasis is on the polaron optical absorption. ...
  • Output Characteristics of Heterolasers with a Wide Stripe Contact 
    STETSIK, Victor M.; ALISENOK, Evgenii V.; KONONENKO, Valerii K.; MANAK, Ivan S.; POLIKARPOV, Sergei S. (Technical University of Moldova, 2009)
    Output power characteristics of high efficiency quantum-well heterolasers with a wide stripe contact based on the AlGaInAs semiconductor compounds are studied. It is shown that the laser elements can be applied together ...

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