Search for dissertations about: "Temperature effects on optical waveguides"

Found 5 swedish dissertations containing the words Temperature effects on optical waveguides.

2. 1. Electro-Optical Na0.5K0.5NbO3 Films

   Author : Mats Blomqvist; Alexander M. Grishin; Prof. Bruce Wessels; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Functional materials; ferroelectrics; sodium potassium niobates; thin films; rf-magnetron sputtering; waveguiding; refractive index; prism-coupling; electro-optic effects; dielectric tunability; Funktionella material; Functional materials; Funktionella material;

   Abstract : Ferroelectric oxides are a group of advanced electronic materials with a wide variety of properties useful in applications such as memory devices, resonators and filters, infrared sensors, microelectromechanical systems, and optical waveguides and modulators.Among the oxide perovskite-structured ferroelectric thin film materials, sodium potassium niobate or Na0. READ MORE

4. 2. Multicomponent Resonant Nanostructures: Plasmonic and Photothermal Effects

   Author : Vadim Zakomirnyi; Hans Ågren; Zilvinas Rinkevicius; Sergey Karpov; Davy Gérard; KTH; []
   Keywords : plasmonics; photonics; nanoparticles; Teoretisk kemi och biologi; Theoretical Chemistry and Biology;

   Abstract : In recent decades, plasmonic nanoparticles have attracted considerable attention due to their ability to localize electromagnetic energy at a scale much smaller than the wavelength of optical radiation. The study of optical plasmon waveguides (OPWs) in the form of chains of nanoparticles is important for modern photonics. READ MORE

5. 3. Selective Epitaxy of Indium Phosphide and Heteroepitaxy of Indium Phosphide on Silicon for Monolithic Integration

   Author : Fredrik Olsson; Sebastian Lourdudoss; Shigeya Naritsuka; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Semiconductor Physics; Semiconductor physics; Halvledarfysik;

   Abstract : A densely and monolithically integrated photonic chip on indium phosphide is greatly in need for data transmission but the present day’s level of integration in InP is very low. Silicon enjoys a unique position among all the semiconductors in its level of integration. READ MORE

6. 4. NbTiN for improved superconducting detectors

   Author : Julien Zichi; Val Zwiller; Gregory Gol'tsman; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; superconducting nanowire sngle photon detector; SNSPD; niobium titanium nitride; NbTiN; reactive co-sputtering; quantum communications; quantum sensing; Fysik; Physics;

   Abstract : The physics of single photons is fascinating, by manipulating them we can observe and probe quantum effects. Doing so requires the fabrication and utilization of single photon sources, of which many types have been developed including quantum dots, trapped atoms and ions, and color centers. READ MORE

7. 5. Nanophotonic devices in thin film lithium niobate

   Author : Alessandro Prencipe; Katia Gallo; Val Zwiller; Mohammed Amin Baghban; Rachel Grange; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Integrated optics; Electro-optics; Thin film lithium niobate; Phase shifted Bragg grating; Waveguide-integrated single photon detectors; Erbium implantation; Integrerad optik; elektrooptik; tunnfilmslitiumniobat; fasfo ̈rskjutet Bragg-gitter; V ̊agledare-integrerade singelfotondetektorer; Erbiumimplantation.; Optics and Photonics; Optik och fotonik;

   Abstract : Photonic devices play a fundamental role in today’s society and are a central building blocks for numerous applications, ranging from modern internet to sensing and manufacturing, and photonics is foreseen to be the backbone of future quantum internet and quantum communication systems thanks to the long coherence time of light. At variance with electronic integrated circuits, where silicon has been the material of election for many decades, in the case of photonic integrated circuits (PICs) there are numerous options available for the material substrate. READ MORE