This thesis employs sociolegal critical analysis to deconstruct the problem of humanwildlife conflict. Besides these two demands, i was completely free to organize the thesis according to my own taste. Quantum dots 2 quantum dot qd is a conducting island of a size comparable to the fermi wavelength in all spatial directions. Lovingood, derek dean, synthesis and analysis of the quantum dot core and surface structures probed by solid state nuclear magnetic resonance 2010. In this thesis, the properties of selfassembled inasingaaspinp quantum dots.
The greatly improved performance of an electrode with light. Synthesis, surface treatment, and characterization of copper. Gordon troup understanding quantum mechanics methuen 1968 acrobat 7 pdf 3. Hybrid quantum wellquantum dot structure for broad. This thesis comprises works on novel quantum dot structures.
Often called the artificial atoms, however the size is much bigger 100 nm for qds versus 0. Satter, masters thesis, department of physics, national university of singapore, 2017. Axiomatic and constructive quantum eld theory thesis for. Silicon and silicongermanium epitaxy for quantum dot. Although cuinse cise quantum dots qds with narrow tunable bandgap and low toxicity have promising prospects in photovoltaics, their application is seriously restricted by high defect density. Pdf synthesis of quantum dot doped chalcogenide glasses. Inkjetprinted quantum dot hybrid lightemitting devices. This thesis describes the development of several quantum dot devices. Such a process generally involved the manipulation of layers bound to a surface, using methods like atomic force microscopy. This thesis would not have been possible without support and guidance of my advisor, james s. Optoelectronic and photonic control of single quantum dots.
This thesis dedicated to my mother, a strong and gentle soul who taught me to trust. Single electron spin qubits in silicon quantum dots. Quantum dot sources fabricated in a heterostructure with electrical contacts al. Diploma thesis atomistic modeling of an experimental gaasingaas quantum dot molecule using nemo 3d yuihong matthias tan in partial fulfillment of the requirements for the degree diplomingenieur dipl.
Hybrid quantum wellquantum dot structure for broad spectral bandwidth emitters by siming chen department of electronic and electrical engineering thesis submitted to the university of sheffield for the degree of doctor of philosophy april 2014. Phd thesis semiconductor integrated quantum photonics. Quantum dot solar cells preprint october 2001 nrelcp59031011 a. This thesis presents a systematic study of the physics and quantum control of spins in fewelectron sisige quantum dots. This thesis project sits at the interface of the two channel kondo effect and the two. Temperature dependent optical properties of silicon quantum dot polymer nanocomposites a thesis submitted to the graduate faculty of the north dakota state university of agriculture and applied science by austin reed van sickle in partial fulfillment for the degree of master of science major program. Download fulltext pdf synthesis of quantum dot doped chalcogenide glasses via solgel processing article pdf available in journal of applied physics 1099. Modulation dynamics of inpbased quantum dot lasers and. I declare that the work contained in this thesis submitted by me for the degree of master of science by research is my own work, except where due reference is made to other. This thesis also explores the use of compressed sensing to further speed up acquisition of ghost imaging. This thesis is about an experimental program combining disparate elements of quantum optical research in an attempt to reach the high e. Verticalexternalcavity surfaceemitting lasers and quantum dot lasers fig.
The usefulness and application of quantum dot technology continues to expand and research is striving to bring their benefits to more and more technologically applied fields. This thesis is the result of three years of research in the quantum. By integrating a quantum dot into a pindiode, it was possible to control the dominant emission lines in its photoluminescence spectrum and to maximise the degree of polarisation correlation between. First section includes the fundamental theories on excitons, trions, phase decoherence, and charge states. Defect properties and design tools for quantum dot cellular automata a thesis submitted to the graduate school of the university of notre dame in partial ful. To develop a facile synthesis method for highquality cise qds, al and zn ions were introduced into the synthes. Subdoppler cooling of lithium atoms in a gray optical molasses, c. Charge sensing and spin dynamics in gaas quantum dots abstract this thesis describes a series of experiments which explore and the technique of charge sensing in gaasalgaas quantum dot devices, then use charge sensing as a tool to investigate spin and charge dynamics.
This master thesis should be readable to anyone with a healthy knowledge of real and complex analyis, measure and integration theory, functional analysis, operator algebras, lie groups and lie. Quantum dots in gated nanowires and nanotubes abstract this thesis describes experiments on quantum dots made by locally gating onedimensional quantum wires. University of groningen ising models and neural networks. Multiphoton generation from a single quantum dot in a photonic. Quantum dot cellular automata qca is one of the alternative technology which may. It is the objective of this doctorate thesis to study on the. Functionalized quantum dots for dispersion in polymers and. Design and analysis of digital circuits using quantum dot cellular automata qca m. Phd thesis semiconductor integrated quantum photonics quantum information processing is a rapidly developing research field. Previously, quantum dot syntheses were largely limited to a topdown approach carving a nanocrystallite from a larger bulk material. The need for less toxic quantum dots qds has led to a significant number of investigations related to copper indium sulfide cis qds. In the work reported in this thesis we exploit the scattering length in the range from 350g zero crossing to 400g.
Phide, quantum dot, semiconductor optical amplifier, metalorganic. In atoms the attractive forces are exerted by the nuclei, while in qds by background charges. The book quantum dots theory and applications collects some new research results in the area of fundamental excitations, decoherence, charge states, epitaxial techniques and photoluminescence experiments related to devices made with quantum dots. While the results are not a scalable quantum computer, i will demonstrate some fundamental nonlocal results. Abstract quantuminformationprocessingwithsuperconductingqubits jerrymoychow 2010 thisthesisdescribesthetheoreticalframework,implementation,andmeasurementsofa. This thesis mainly focuses on epitaxial qdembedded pn junction solar cells. I would also like to thank my thesis committee members, prof. Realization of efficient quantum dot cellular automata based. This is to certify that the dissertation entitled quantum dot spin qubit in a. Spectroscopy of ultracold 6 li 40 k molecules, mark lam, phd thesis, centre for quantum technologies, national university of. Energy transfer in the system of pbs quantum dots school of electrical engineering thesis submitted for examination for the degree of master of science in technology. Quantum dots and silica dots a thesis presented to the faculty of the graduate school of cornell university in partial fulfillment of the requirements for the degree of master of science by diana lynne bull august 2004. Study of quantum dots on solar energy applications. Zwarts, in het openbaar te verdedigen op maandag 23 mei 2005 om 16.
Finally, a new paradigm inspired by compressed sensing is demonstrated, in which highquality depth and reflectivity images are simultaneously captured using only the first photon arrival at each pixel. Alphas jeba singh2 pg scholar applied electronics, dept. Cdse corezns shell nanoparticles were inkjetprinted in air and. Biodiversity is in crisis, and a large part of the crisis is the relationship that people have with wildlife.
Modulation dynamics of inpbased quantum dot lasers and quantum cascade lasers. Effect of builtin electric field on photovoltaic effect of inas quantum dots in gaas solar. Formation, structure, and properties of inasgaas quantum. Goldman, for her guidance and support throughout my studies at the university of michigan. Exploiting quantum bits instead of classical bits, offers key advantages for future technologies such as secure communication and ultrafast computation. A study on the synthesis and the optical properties of inp. This thesis presents a novel method for fabrica ting quantum dot lightem itting devices qdleds based on colloidal inorganic lightemitting nanoparticles incorporated into an organic semiconductor matrix. Emmanouil kioupakis, for their valuable discussions and suggestions. Quantum information theory and the foundations of quantum mechanics christopher gordon timpson, the queens college oxford university, trinity term 2004 abstract of thesis submitted for the degree of doctor of philosophy this thesis is acontribution to the debate on. Synthesis and characterisation of cuins quantum dots. Synthesis of cadmium selenide quantum dots and their. Synthesis and analysis of the quantum dot core and surface. I owe him a dept of gratitude for helping me choose my dissertation.
1070 772 33 1270 536 736 744 1216 947 1317 1252 468 521 607 127 492 611 254 849 303 753 910 987 105 64 1296 138 1294 381 1135 525 1285