Дисертації з теми "Nano-waveguides"
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Cheemalapati, Surya Venkatasekhar. "Nano-Photonic Waveguides for Chemical and Biomedical Sensing." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6204.
Повний текст джерелаYou, Jie. "Calculation of bit error rates of optical signal transmission in nano-scale silicon photonic waveguides." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1565186/.
Повний текст джерелаCleary, Justin. "Surface Plasmon Hosts for Infrared Waveguides and Biosensors, and Plasmons in Gold-Black Nano-Structured Films." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3562.
Повний текст джерелаPh.D.
Department of Physics
Sciences
Physics PhD
Mahmoud, Othman Naema. "Modelling Schottky Contact Surface Plasmon Nano-detector." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/33015.
Повний текст джерелаHuda, Gazi Mostafa. "Modification of Plasmonic Nano Structures' Absorption and Scattering Under Evanescent Wave Illumination Above Optical Waveguides or With the Presence of Different Material Nano Scale Atomic Force Microscope Tips." UKnowledge, 2014. http://uknowledge.uky.edu/ece_etds/43.
Повний текст джерелаAl-Taiy, Hassanain Majeed [Verfasser], and Thomas [Akademischer Betreuer] Schneider. "Investigation of the Stimulated Brillouin Scattering (SBS) Gain Enhancement in Silicon Nano-Waveguides and Applications / Hassanain Majeed Al-Taiy ; Betreuer: Thomas Schneider." Braunschweig : Technische Universität Braunschweig, 2017. http://d-nb.info/1175817775/34.
Повний текст джерелаLombardo, David. "Design and Fabrication of Suspended Waveguides With Photonic Grating Structures." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1591796311145344.
Повний текст джерелаKuprenaite, Sabina. "Heterogeneous integration of functional thin films for acoustic and optical devices." Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCD039.
Повний текст джерелаThe control of microstructure and surface morphology is essential for the thin films to be applied in optical and acoustic devices. Thin films of TiO2, LaNiO3 and ZnO and their heterostructures in this work were obtained by radio frequency (RF) magnetron sputtering and metalorganic chemical vapor deposition (MOCVD) techniques. The optimization of deposition parameters, such as temperature, total chamber pressure, O2 partial pressure and growth rate, led to high structural quality of functional thin films and their heterostructures. The orientation of epitaxial ZnO and TiO2 thin films was tuned not only through lattice matching with various substrates, but as well through deposition conditions. The optical quality of TiO2 films was mostly optimized through elimination of microstructural defects and increasing oxygen non-stoichiometry. It was shown that microstructural and lattice defects in polycrystalline and epitaxial films played a key role in optical propagation losses. Effect of substrate polarity on the structural, optical and acoustic properties of ZnO-based thin films was studied, as well. The sacrificial and/or seed layers were identified for heterogeneous intégration of functional acoustical and optical films with semiconductor substrates
Vernon, Kristy C. "Strongly localised plasmons in metallic nanostructures." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/19318/2/Kristy_Vernon_Citation.pdf.
Повний текст джерелаVernon, Kristy C. "Strongly localised plasmons in metallic nanostructures." Queensland University of Technology, 2008. http://eprints.qut.edu.au/19318/.
Повний текст джерелаTan, Shiaw Juen. "Linear and nonlinear propagation of localised plasmon in metallic nanostructures." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/52635/1/Shiaw_Tan_Thesis.pdf.
Повний текст джерелаZayouna, Sarah. "Characterization of Silicon Waveguides For Non-Dispersive Infrared Gas Sensors." Thesis, Luleå tekniska universitet, Rymdteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80451.
Повний текст джерелаYang, Min Shih. "Modelagem de nano-estruturas para aplicações na geração de Plásmon-Poláritons de Superfície (SPP)." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18155/tde-14102009-091902/.
Повний текст джерелаThe continuous growth of knowledge produced by a society with increasing access to information technologies has demanded the development of communication devices capable of supporting high processing speeds at more and more reduced sizes. Nevertheless, the continuous reduction of the size of these devices, celebrated by the Moore\'s law, has also produced an undesirable increase of heat produced during the operation of the device itself, compromising its overall performance. A promising alternative to alleviate, or even overcome, these limitations has been offered by photonic integrated circuits. However, all the advance of photonic devices was restricted to what is known as diffraction limit. A fascinating way of circumventing this limit is now available to the scientific community, and consists in the generation of Surface Plasmon Polariton (SPP) waves. In a simplified manner, SPP waves are waves that propagate along a metal/dielectric interface. These waves are essentially localized at the metal/dielectric interface because of the interaction of light with free electrons of the metal. In this interaction, the free electrons respond collectively and oscillate resonantly with the incident light. In the present work, the phenomenon of SPP generation is theoretically investigated and applied to the modeling of several structures, such as directional couplers and resonators. The primary goal of this work is to design structures capable propagating SPP waves for long distances, known as long range SPP (LRSPP). The structures are investigated mostly with COMSOL Multiphysics, a finite elements based software that allows for the vectorial solution of electromagnetic problems. The results obtained so far are extremely encouraging, and prove that the LRSPP concept can be successfully applied to geometrically complex structures, such as couplers and ring resonators.
Moutaouekkil, Mohammed. "Etude de la propagation des ondes élastiques de Lamb dans les matériaux composites micro/nano structurés : Application pour l’ingénierie des propriétés physiques des résonateurs électromécaniques." Thesis, Ecole centrale de Lille, 2018. http://www.theses.fr/2018ECLI0011/document.
Повний текст джерелаThe control of elastic wave propagation relies mainly on the design of artificial media based on structured materials to achieve advanced propagation dispersion engineering. During the thesis, the dispersion of the mode (S0) in micro-structured membranes based on AlN was numerically investigated and the resulting applications explored. The strong link between mode dispersion and sensitivity to external disturbances is highlighted by combining the AlN membrane with a layer of SiO2 structured into strips. In particular, it is shown that it is possible to obtain a TCF = 0 for the resonators without any degradation of the K2 coefficient. It is shown that it is possible to open wide band-gaps of 50% by structuring the AlN in the shape of strips or using pillars to form a PhnC. On this basis, designs of cavities and waveguides are proposed and their performances are studied according to the geometrical parameters. It is also proposed a new cavity design based on the introduction of a resonant defect with a disc shape in the PhnC and presenting very small size in comparison to the unit cell. The defect makes it possible to introduce quasi-flat modes in the band diagram and consequently allows the design of a new generation of phononic devices for signal processing and sensor applications. The optimal structures are used to design a magnetic field sensor design, a sensitivity of 5% is obtained for the localized mode in the case of defect based on magneto-elastic thin film
Davoyan, Artur R. "Nonlinear nano-plasmonic waveguides." Phd thesis, 2011. http://hdl.handle.net/1885/151337.
Повний текст джерелаMing-JingWu and 吳明璟. "Integration of Nano-antennas, Silicon Waveguides, and an Optical Fiber." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/fm8ab3.
Повний текст джерела國立成功大學
光電科學與工程學系
104
Antennas are important elements of wireless information transmission technologies. In radio engineering, antennas refer to devices converting electric currents to radio waves and, vice versa. However, nano-antenna has more advantageous characteristic, such as localized surface plasmon resonance, surface enhancement of light and high sensitivity to the changing of refractive index of surrounding. These advantages bring it to have the potential applications in optical computing and molecule sensing. We built up single-mode rib waveguides and nano-antennas on the silicon-on-insulator (SOI) substrate by using semiconductor manufacturing process. The resonance wavelength of nano-antennas was designed to be at 1550 nm based on the literature. The fabrication results, challenges and corresponding solutions were showed in this thesis. In optical measurement, nano-antenna was excited by different wavelengths and polarizations of different guiding modes of waveguide. The response of the antenna was also showed and discussed in this thesis. It could be seen that the antenna was reacting with different excitation but the resonance peak was different from our expectations. It may be due to the induced charge of substrate.
"Design, Modeling And Simulation Of Nanoscale Optoelectronic Devices: Semiconductor Nano-Lasers And Plasmonic Waveguides." Doctoral diss., 2012. http://hdl.handle.net/2286/R.I.14611.
Повний текст джерелаDissertation/Thesis
Ph.D. Electrical Engineering 2012
Sivis, Murat. "Extreme-ultraviolet light generation in plasmonic nanostructures." Doctoral thesis, 2013. http://hdl.handle.net/11858/00-1735-0000-0022-5E08-0.
Повний текст джерелаMitra, Mira. "Wavelet Based Spectral Finite Elements For Wave Propagation Analysis In Isotropic, Composite And Nano-Composite Structures." Thesis, 2006. http://hdl.handle.net/2005/448.
Повний текст джерела