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.
Results
Showing 1 to 13 of 13 for “"Optical Information Processing"”.
-
Optical information processing using photorefractive BSO
Several optical information processing tasks are implemented using photorefractive BSO as a dynamic holographic medium. The physical basis for the mechanism which allows the implementation of these devices is studied.<br/><br/>The properties of BSO which make it particularly attractive as a …
-
Three dimensional (3D) optical information processing
… with 3D structured media. Comparing to 2D optical elements where the light interacts with a sequence of surfaces separated by free space, 3D optical elements provides more degrees of freedom to perform imaging and optical information processing functions. With sufficient dielectric …
-
Optoelectronic implementations of Pulse-Coupled Neural Networks : challenges and limitations
… Simulation results are presented. Proposed optical architectures are discussed and analyzed. A new optoelectronic PCNN architecture is also presented. Tradeoffs of optical versus electronic implementations of PCNNs are discussed. This work combines concepts from optical information …
-
Dynamically programmable surfaces for high-speed optical modulation and detection
… optoelectronic technologies including high-speed optical communication, display and projection, autonomous driving, optical information processing, imaging, and fast programmable optical tweezers. Currently available electro-optically tunable components are often bulky, inefficient, and have …
-
A NOVEL DESIGN OF AN ALL-OPTICAL BISTABLE DEVICE USING A SINGLE ACTIVE ELEMENT
One of the main challenges in the area of all-optical information processing devices, is to develop low power and fast responding elements. Specically, in the eld of analog to digital converters (ADCs), higher modulation rates as well as enhanced power eciency are desired. The key component in such …
-
Three-dimensional nanofabrication of photonic crystals and polarization splitters and rotators
… the miniaturization and integration of optical devices can potentially revolutionize the field of optics, with an impact that may prove comparable to the transition of electronics from vacuum tubes to transistors. To achieve high-level functionalities and to meet the stringent tolerance …
-
Practical electron cloaking in solids
… but not commonly encountered in the nature. Optical metamaterials have shown great potentials in applications such as optoelectronics, subwavelength imaging, and optical information processing etc. The invisibility effect, or "cloaking effect", is one of the most striking demonstrations of …
-
Designing Enhanced Nonlinearity in Plasmonic Devices with Epsilon-Near-Zero Films
<p>The growing demand for energy-efficient optical information processing motivates compact nonlinear photonic devices that can operate at low power. Silicon photonics is a mature platform for linear optical functions, but nonlinear operation remains challenging because of its weak Kerr response, …
-
Hybrid Opto-Electronic Processing Systems for Integer Multiplication
… a search for alternative computing technologies, optical information processing is again in the spotlight. The application of optical techniques allows for the possibility of accelerated computation technologies. By incorporating light into the computation, this research investigates methods and …
-
Melt growth of BSO (Bi₁₂SiO₂₀) : critical issues for growth in a micro-g environment
… body-centered cubic oxide exhibiting non-linear optical preperties which make it a target for many applications including optical information processing. This project is to investigate and resolve some critical issues associated with the Bridgman growth of BSO under the microgravity conditions, …
-
Interferometry-based Free Space Communication And Information Processing
… phenomenon in the field of opto-electronic information processing and optical communications. A number of optical systems using interferometric techniques both in the optical and the electronic domains has been demonstrated in the filed of signal transmission and processing, optical …
-
Diffraction-based Optical Architectures for Processing One-dimensional Data
… light as a fundamental resource, free-space optical computing and integrated photonic computing devices provide, respectively, powers of natural parallelism and miniaturisability. Recent work harnessing diffraction within slab waveguides has been proposed, on its face combining the best …
-
Coherent Interactions in Rare-Earth-Ion-Doped Crystals for Applications in Quantum Information Science
… cooled rare-earth-ion-doped crystals for quantum information processing and quantum optics. Several aspects of the coherent interaction between light and rare-earth ions in solids are addressed. Quantum information science has given physicists new views of quantum mechanics. The transmission of …