Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"color center"”.
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Color Center Reactions in Alkali-Halides
Made available in DSpace on 2015-05-12T17:12:22Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6100156.PDF: 4533901 bytes, checksum: a9ec96eb7d9f153ee7f6ac4dd798a971 (MD5) Previous issue date: 1960
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Annealing Techniques for Color Center Formation
Color centers in diamond have emerged as leading atom-like quantum systems for applications spanning from quantum repeaters to sensors. However, the optical and spin properties of engineered diamond color centers are limited by crystal damage produced during ion implantation, crystal irradiation, …
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Color center development in natural quartz
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Geology and Geophysics, 1962.
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Color center laser kinetic spectroscopy: Evidence for quasilinearity of HCCN
… infrared absorption spectrum probed using a color center laser. Spectra of the molecule were collected between 3182 and 3274 cm$\sp{-1}$. The rotational analysis of the $\nu\sb1$ fundamental places its origin at 3246.657 cm$\sp{-1}$. Four hot bands associated with the bending vibrations have …
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Quantum Information Processing with Color Center Qubits: Theory of Initialization and Robust Control
… platform in which qubits are con trollable. Color centers provide controllable optically-active spin qubits within the coherence time limit. Moreover, the nearby nuclear spins have long coherence times suitable for quantum memories. In this thesis, I present a theoretical understanding of and …
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The Effects of Applied Uniaxial Stress on Broad Band Color Center Spectrain Alkali-Halides
Made available in DSpace on 2015-05-12T21:41:51Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6915319.PDF: 5801107 bytes, checksum: f5a0c2a1003491c6edd2ebb99e1c5ae6 (MD5) Previous issue date: 1969
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Engineering Scalable Quantum Systems From First-Principles to Large-Scale Control
Color centers in solids are promising platforms for quantum communication, sensing, and computing, featuring highly coherent optical transitions, as well as native electron and nuclear spins that can be used as quantum memories. Existing state-of-the-art demonstrations have shown that multi-qubit …
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High-resolution spectroscopy of propargyl radical
… H$\sb2$CC$\equiv$CH has been obtained by the color center laser kinetic spectroscopy method. The propargyl radical is produced by flash photolyzing stable precursors propargyl bromide or propargyl chloride using the ArF excimer laser. The transient infrared absorptions of the propargyl radical …
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Large-Scale Characterization of Quantum Emitters in High-Purity Diamond
Solid state quantum memories, such as color centers in diamond, are a leading platform for the distribution of quantum information. Quantum repeaters will require many qubit registers at every quantum network node, each with long-lived spin states and high-quality single photon emissions. Here, we …
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Electrochemical modulation of fluorescence of nitrogen vacancy centers in nanodiamonds for voltage sensing applications
The nitrogen vacancy (NV) color center in diamond has been used to sense environmental variables such as temperature and electric and magnetic fields. Most sensing protocols depend on the optically detectable magnetic resonance of the negatively charged NV- spin state. As such, fluctuations in the …
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Single Ion Detection in Nanotube Nanofluidics
… demonstrated the application of organic color center (OCC)-functionalized (6,5) single-walled carbon nanotubes (SWCNTs) to detect proton diffusion in nanofluidic systems at the single-ion level. I first developed a method to encapsulate SWCNTs between two layers of Parylene-C, a polymer …
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Nanoscale engineering of spin-based quantum devices in diamond
… optically active defects in diamond, known as color centers. Color centers have a variety of advantageous characteristics, including long-lived quantum phase coherence in their electron spin degrees of freedom, available highfidelity control and readout at the single-spin level, and strong …
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Effect of flour protein content on the utilization of shortening and cellulose in biscuits
… were detected in biscuit volume, crumb and crust color, or tenderness. The biscuits prepared with lower levels of shortening were moister than the biscuits prepared with higher levels of shortening. Wo significant differences were found by sensory panelists with regard to evenness of exterior …
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Dynamic and geometric control of electronic spins in diamond for quantum sensing and quantum information science
In recent years, the nitrogen-vacancy (NV) color center in diamond, electronic spin defects embedded in a solid-state system, has emerged as a promising platform for quantum sensing and quantum information science in ambient temperature. Its capability of robust but high-precision spin control …
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Analysis of an Antineutrino Detector
… with PALEOCCENE to produce radiation induced color-center tracks in lithium-fluoride crystals, a step towards developing passive coherent elastic neutrino-nucleus scattering detectors.
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Precision magnetometry and imaging via quantum manipulation of spins in diamond
… solid, based on the nitrogen-vacancy (NV) color center in diamond, has emerged as a leading platform for quantum sensing as well as quantum information processing at room temperature. Developing new approaches to high-precision NV spin manipulation provides key insights for advancing these …
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The surface effects of alkali halides in the infrared
… surface state theory and its applications to F-centers of alkali halides is presented. Experimental infrared data show an absorption which seems to correspond with the ground state to first excited state transition. Surface state concentrations of F-centers as a function of depth into the …
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Photosensitivity and Photodarkening of UV-induced Phosphate Glass Fiber Bragg Gratings and Application in Short Fiber Lasers
… been identified as the result of formation of a color center at visible band. Photo-bleaching and thermal-bleaching processes are found to be effective in fully erasing the UV-induced photodarkening loss under condition of not diminishing the grating strength. The application of direct-written …
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Long-wave infrared frequency combs based on quantum cascade lasers
… sources, particularly lead salt diodes, color center lasers, difference frequency generation and optical parametric oscillators. The large tunabilitiy in the design (lasing frequency, tunability, power, material system, etc.) and the compactness in fabrication and packaging has made QCL …
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