IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Science and Society- the Use of Light by Issue Date

Browsing Science and Society- the Use of Light by Issue Date

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  • Expected thermoelectric properties of nanostructured TTT(TCNQ)2 crystals 
    SANDULEAC, I. I. (Technical University of Moldova, 2015)
    Advanced thermoelectric materials represent a keystone for development of new efficient devices for energy harvesting, local power generation from the waste heat and direct cooling systems. Thermal absorption of IR radiation, ...
  • Multi sections semiconductor lasers with an air gap for chaos based communication 
    ANTOHI, I.; OLOINIC, T.; SANDUȚA, A.; RUSU, S. S.; TRONCIU, V. Z. (Technical University of Moldova, 2015)
    This paper reports the numerical results of the dynamical behavior of a novel integrated semiconductor laser subject to multiple optical feedback loops. The laser’s setup consists of distributed feedback active section ...
  • Synchronization of chaos of quantum dots lasers under the influence of external cavity optical feedback 
    SANDUȚA; OLOINIC, T.; RUSU, S. S.; TRONCIU, V. Z. (Technical University of Moldova, 2015)
    We report the numerical results on the investigation of the dynamical behavior of a semiconductor laser with quantum dots active medium and a feedback from double cavity. Due to the influence of the external feedback, under ...
  • Behaviour of endothelial cells on surfaces functionalized by GaN nanoparticles 
    BRANISTE, Tudor; TIGINYANU, Ion; HORVATH, Tibor; RAEVSCHI, Simion; CEBOTARI, Serghei; LUX, Marco; HAVERICH, Axel; HILFIKER, Andres (Technical University of Moldova, 2015)
    In this work, we identify the mechanisms of interaction between GaN semiconductor compound nanoparticles and living endothelial cells. Cellular viability and uptaking of nanoparticles by cells as well as adhesion and ...
  • Chaos-based optical communication of semiconductor lasers with air gaps 
    OLOINIC, T.; RUSU, S. S.; TRONCIU, V. Z. (Technical University of Moldova, 2015)
    We report the numerical results of the dynamical behavior of a novel integrated semiconductor laser subject to multiple optical feedback loops. The laser’s setup consists of distributed feedback active section coupled to ...
  • X-Ray Diffraction and photocurrent measurements in CH3NH3PbI3 perovskite 
    PLESCO, Irina (Technical University of Moldova, 2015)
    Perovskite materials with their promising properties for photovoltaics have set the solar research world ablaze. Processability from solutions and low temperature crystallization are marvelous features of these materials ...
  • Semiconductor lasers a key element for new generation of optoelectronic systems 
    V. Z. TRONCIU, V. Z. TRONCIU (Technical University of Moldova, 2015)
    Semiconductor laser is a key element for different photonics devices. We report the results of numerical end experimental investigations of the dynamical behaviour of different types of semiconductor lasers. Very encouraging ...
  • Enhanced efficiency of p-GaN/n-ZnO light-emitting diodes by using NiO and ZnSe interlayers 
    SIRKELI, V. P.; YILMAZOGLU, O.; KÜPPERS, F.; HARTNAGEL, H. L. (Technical University of Moldova, 2015)
    We report the results from numerical simulations of p-GaN/n-ZnO light-emitting diodes (LEDs) with different architectures. p-GaN/n-ZnO, p-GaN/p-NiO/n-ZnO, and p-GaN/p-NiO/n-ZnSe/n-ZnO LED structures have been examinated ...
  • 2D materials nanotechnologies between great expectations and lost illusions 
    DRAGOMAN, Mircea (Technical University of Moldova, 2015)
    This talk will be a review of the state of the art of 2D materials starting with graphene. The graphene discovery and latter of other 2D materials have produced a revolution in nanotechnology. New physical phenomena were ...
  • Entanglement and cooperative effects between the mode components of raman process in cavity and their analogy with atomic collective effects 
    ENAKI, Nicolae A. (Technical University of Moldova, 2015)
    It is proposed the cooperative excitation and absorption of three cavity modes which corresponds to pump, Stokes and anti-Stokes photons stimulated by the atomic inversion. The three modes collective Roman emission is ...
  • Technology transfer from research laboratory to industry 
    COJOCARU, A.; SCHMIDT-NIEPENBERG, H.; ADELUNG, R. (Technical University of Moldova, 2015)
    A strong collaboration between industry and the reserch laboratory helps both partners to find their common technological objectives resulting in the reduction of the development costs and risks. Nevertheless, the ...
  • Metal oxide nanowires for photodetectors and light emitting diodes 
    LUPAN, Oleg (Technical University of Moldova, 2015)
    In this presentation will be overviewed various nano- and microscale device structures made on a single metal oxide nanowire (ZnO, SnO2, CuO, etc.), as well as the use of their arrays. Nanowires were grown by several ...
  • Discovery of the laser: Historical aspects 
    TIGINYANU, Ion (Technical University of Moldova, 2015)
    The main steps undertaken by the mankind towards the discovery of the laser are reviewed, starting from the development of quantum theory of radiation by Albert Einstein in 1917, first demonstration of stimulated emission ...
  • Device for controlled hypothermia on Fuzzy logic algorithms 
    COJOCARU, Victor (Technical University of Moldova, 2015)
    We propose a sample of a device for therapeutics with hypothermia used in medical purposes for directed cooling of specific tissues using Peltier, elements. Peltier cooling elements allow elaboration of a small mobile ...
  • Random lasers: 30 years of development 
    URSAKI, V. V. (Universitatea Tehnică a Moldovei, 2015)
    In this report an overview of random lasers development is presented staring from the first theoretical prediction of random laser action by Letokhov about 50 years ago and the first experimental demonstration by Markushev ...
  • Lasing properties of ZnO nanostructures 
    ZALAMAI, V. (Technical University of Moldova, 2015)
    On the base of zinc oxide was developed solar cells, although it efficiency is lower then industrial one using cost effective and uncomplicated technology of chemical bath deposition (CBD) makes this material very perspective. ...

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