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 47 for “"Integrated Optics"”.
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Integrated optics for holographic video
The goal of this research is to fabricate a guided-wave, two-axis scanner and to modify the design of the MIT holovideo system to take full advantage of the scanner's high bandwidth and two-dimensional deflection. The new display geometry will be designed to use the guided-wave scanner coupled with …
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An integrated optics pulse shaping device
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1981.
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Integrated optics pockels cell high voltage sensor
In this thesis an integrated optics version of the Pockels cell, to be used for the measurement of high voltage in power transmission systems, is described. The operation of the sensor is based on the electro-optic effect in lithium niobate. The sensing head consists of a waveguide formed by …
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Air trenches for dense silica integrated optics
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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III-V waveguides and couplers for integrated optics
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 1987
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Holovideo on a stick : integrated optics for holographic video displays
… dissertation I describe the development of a new integrated-optics platform for holographic video consisting of arrays guided-wave acousto-optic devices. This platform serves as the foundation for a new family of holographic video architectures that trade off its enormous pixel bandwidth for …
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Nanometer-precision electron-beam lithography with applications in integrated optics
… accuracy remains inadequate for future integrated-circuits and integrated-optical devices. Environmental disturbances, system imperfections, charging, and a variety of other factors contribute to pattern-placement inaccuracy. To overcome these limitations, spatial-phase locked …
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High performance magneto-optic garnet materials for integrated optics and photonics
… suitable for a wide range of applications in integrated optics and photonics. The effects of annealing on the garnets of type (Bi,Dy)3(Fe,Ga)5O12, when performed in air atmosphere, are investigated and a systematic study is conducted to figure out the annealing behaviour and the …
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Path-integral analysis of passive, graded-index waveguides applicable to integrated optics
… media of the type encountered in passive integrated-optical communication devices. Most of the devices considered in this work are simple models for graded-index waveguide structures, such as tapered and coupled waveguides of a wide variety of geometries. Tapered and coupled graded-index …
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Feedback loop design and experimental testing for integrated optics with micro-mechanical tuning
… modified slightly to be used in testing of other integrated optoelectronic devices. The procedure for aligning lensed fibers to integrated waveguides and optimizing light throughput is described, and some test device values are presented.
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The design and fabrication of an electrically activated photonic crystal microcavity laser
… for applications requiring low power such as integrated optics or quantum computation. This thesis describes the design and fabrication of a microcavity laser utilizing multiple photonic crystal mirrors. The laser is well suited for integrated optics for many reasons. It is electrically …
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Theory and design of integrated optical isolators and broadband couplers using Fresnel zone plates
… second involving the theory and design of the integrated optical isolators. In the first part we propose, theoretically investigate, and numerically demonstrate a compact (less than 10[mu]m) broadband (more than 300nm) fiber-chip vertical coupler. The structure utilizes a Fresnel lens, or more …
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ATAC : A 1000-core cache coherent processor with on-chip optical network
… device manufacturing are making CMOS-integrated optics a reality-interconnect technology which can provide significantly more bandwidth at lower power than conventional electrical signaling. Optical interconnect has the potential to enable massive scaling and preserve familiar …
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Integrated microlenses and multimode interference devices for microflow cytometers
… chip and improvements can be made to existing integrated methods. Manipulation of a free optical beam in microfluidic channels is identified as a major need to be able to realise more complex µflow cytometry detection systems. To achieve this, the integrated optics requires substantial …
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FABRICATION METHODOLOGIES FOR INTEGRATED PHOTONIC DEVICES IN LITHIUM NIOBATE
… quit challenging, limiting the development of integrated optics. The overall aim of this study was to explore the fabrication methods and attempt to develop novel devices based on deep anisotropic ridges and photonic crystals. Detailed examination of ICP etching characterizations of LiNbO3 …
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Energy transfer and waveguide studies of Eu3+ and Tb3+ doped 2 SiO2-TiO2 glass prepared via the sol-gel route
… rare-earth doped planar waveguides for such integrated optics components. The sol-gel process involves three main steps: first, a metal alkoxide (Si-alkoxide) in alcohol-based medium undergoes hydrolysis at a predetermined pH; the next step involves condensation, where Si-OH tetrahedra …
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Comparison, optimization, and application of various spontaneous parametric downconversion sources of polarization-entangled photon pairs
… are performed become significantly longer, integrated optics provide a small, robust, and practical alternative to traditional bulk optics. Waveguide technology makes it possible to create bright entangled-photon sources that can be used on platforms where weight and stability requirements …
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Linear and non linear coupling effects in sequence of microresonators
… with the aim of devising and characterize novel integrated devices for signal routing in optical networks on chip. Several type of optical microresonators, both in a single and coupled configuration (CROW, SCISSOR), are discussed starting from the fundamental theory till dealing with novel …
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Micro fluidic cytometry for analysis of marine microorganisms
… (LOC) device with a microfluidic channel with integrated optics and electrodes for the detection of the optical and electrical characteristics of phytoplankton.<br/><br/>The work describes the design, fabrication, characterisation and testing of various LOC devices, together with data and …
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Electrooptic mach-zehnder modulators in gallium arsenide
… wave. In this thesis, modulators, based on the integrated optics version of the Mach-Zehnder interferometer, using GaAs substrates, were modelled and fabricated for use with these slow-wave electrodes. The variational method, effective-index method, and beam propagation method were used to model …
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