Now showing items 21-40 of 73

    • Silicon based dielectrics : growth, characterization, and applications in integrated optics 

      Ay, Feridun (Bilkent University, 2005)
      In recent years, growing attention has been paid to silicon based dielectrics, such as silicon oxynitrides, silicon nitrides, and semiconductor doped silicon oxides, all combined under the name silica on silicon technology. ...
    • Robust entanglement in atomic systems 

      Çakır, Özgür (Bilkent University, 2005)
      Various models for generation of robust atomic entangled states and their implementation with current accessible technologies are proposed and worked out. Deterministic creation of long living Bell states with respect ...
    • Functionalization of carbon nanotubes 

      Dağ, Sefa (Bilkent University, 2005)
    • Monolithic and hybrid silicon-on-insulator integrated optical devices 

      Kiyat, İsa (Bilkent University, 2005)
      Silicon, the basic material of electronics industry is rediscovered nowadays for its potential use in photonics and integrated optics. The research activity in silicon integrated optics have been speeding up during the ...
    • High speed and high efficiency infrared photodetectors 

      Kimukin, İbrahim (Bilkent University, 2004)
      The increasing demand for telecommunication systems resulted in production of high performance components. Photodetectors are essential components of optoelectronic integrated circuits and fiber optic communication ...
    • Entanglement in atom-photon systems 

      Can, Muhammet Ali (Bilkent University, 2004)
      In this work we propose a new principle from the point of view of quantum fluctuations of observables. This new principle can be considered as an operational definition of ME states. Moreover, we show the existence of ...
    • Light matter interaction in plexcitonic crystals and moiré cavities 

      Karademir, Ertuğrul (Bilkent University, 2015-01)
      Surface plasmon polaritons (SPPs) are quanta of electromagnetic excitations at the interface between metal and dielectric media. SPPs with an evanescent tail in the perpendicular direction, thus their properties are ...
    • Exciton condensate driven force in double layer systems 

      Özgün, Ege (Bilkent University, 2016-02)
      Excitonic systems are challenging to deal with both theoretically and experimentally but in return, they offer a very rich physics and exotic features. We will investigate their properties under weak magnetic field and ...
    • Electronic structure of low dimensional semiconductor systems 

      Gülseren, Oğuz (Bilkent University, 1992)
      Recent progress made in the growth techniques has led to the fabrication of the artificial semiconductor systems of lower dimension. Electrons and holes in these materials have quantization different from those of the ...
    • Many-body interaction effects in quasi-one-dimensional photo-excited electron-hole systems 

      Güven, Kaan (Bilkent University, 1999)
      The work in this thesis concerns rnany-body interaction effects in a quasi-onedimensional electron-hole plasma, which may be generated under intense photoexcitation in a semiconductor quantum-well wire. In particular, ...
    • Investigation of Si1-xGex alloy formation by using STM 

      Oral, Ahmet (Bilkent University, 1994)
    • Structural and electronic properties of carbon-based materials 

      Kılıç, Çetin (Bilkent University, 2000)
      In this thesis, some carbon-based materials in nano scale have been investigated by using first-principles methods as well as transferable tight-binding and empirical potential models. The focus of interest has been in ...
    • Physics and applications of photonic crystals 

      Temelkuran, Burak (Bilkent University, 2000)
      We first fabricated a dielectric based layer-by-layer photonic crystal, with a three-dimensional photonic band gap at microwave frequencies. We investigated the transmission, reflection and defect characteristics of the ...
    • Quantum statistics of light interacting with matter 

      Müstecaplıoğlu, ÖE (Bilkent University, 1999)
      Studies on some systems in which light interacts with matter are performed from quantum statistical point of view. As a result of these studies a novel effect which can be utilized for detecting squeezed phonons is ...
    • Strongly correlated models of high-temperature superconductivity 

      Boyacı, Hüseyin (Bilkent University, 1999)
      Son zamanlarda nanometrc büyüklüğündeki örneklerle ya|)dan tek ek'ktron ta.^ınma deneyleri, üstün iletkenlerin büyüklüklerinin alt sının ile ilgili soruyu yeniden gündeme getirmiştir, iler ne kadar, belirsiz tanecik ...
    • Theory of atomic scale friction 

      Buldum, Alper (Bilkent University, 1998)
      Friction is an old and important but at the same time very complex physical event. This thesis aims to develop an atomic scale theory of friction. VVe investigate various atomic processes and stick-slip motion by using ...
    • Fabrication and characterization of high-speed, high quantum efficiency, resonant cavity enhanced Schottky photodiodes 

      Ata, Erhan Polatkan (Bilkent University, 1998)
      Rapidly developing “photonics” technology promises higher bcindwidths of communiccition than any other techniciue did ever. The increasing rate of communication not only alters science and technology, but brings a global ...
    • Hot electron interactions in nanostructures 

      Kaya, Ismet Inonu (Bilkent University, 1997)
      Modern semiconductor growth and processing techiques have provided the capability of fabricating a huge variety of devices which have atomically precise layered structures and lateral patterns with nanometer sizes. This ...
    • Graphene based optoelectronics in the visible spectrum 

      Polat, Emre Ozan (Bilkent University, 2015)
      Graphene, a two dimensional crystal of carbon atoms, emerges as a viable material for optoelectronics because of its electrically-tunable broadband optical properties. Optical response of graphene at visible and near ...
    • Ultra-low noise fiber laser systems and their applications 

      Budunoğlu, İbrahim Levent (Bilkent University, 2014)
      Fiber laser systems are intensely studied for and already utilized in a wide range of scientific, biomedical and industrial applications. Scientifically, fiber lasers are widely used for spectroscopy, laser-matter ...